## 1-Hexene: A Versatile Building Block in Research
**What is 1-hexene?**
1-hexene is a colorless liquid hydrocarbon with the chemical formula C6H12. It is an **alkene**, meaning it contains a carbon-carbon double bond. The 1- in its name indicates that the double bond is located on the first carbon atom in the molecule.
**Why is 1-hexene important for research?**
1-hexene is a valuable starting material for a variety of chemical reactions and processes. Its importance stems from several factors:
* **Versatile Building Block:** It can be used to synthesize a wide range of important compounds, including polymers, surfactants, and fuels.
* **Reactivity of the Double Bond:** The double bond allows for various addition reactions, making it a crucial reactant in organic synthesis.
* **Commercially Available:** 1-hexene is readily available and relatively inexpensive, making it a practical choice for research and industrial applications.
**Research Applications of 1-hexene:**
1. **Polymer Chemistry:** 1-hexene is a key component in the production of **polyethylene**, a widely used plastic. It is used as a comonomer to adjust the properties of polyethylene, such as its density and flexibility.
2. **Surfactant Synthesis:** 1-hexene can be converted into **linear alkylbenzene sulfonates (LAS)**, which are widely used as detergents and surfactants.
3. **Fuel Production:** 1-hexene is a potential component in **biodiesel** production, offering an alternative to fossil fuels.
4. **Organic Synthesis:** 1-hexene is a versatile reactant in organic chemistry for synthesizing various compounds, including:
* **Alcohols:** Through hydroboration-oxidation reactions.
* **Aldehydes and Ketones:** Through ozonolysis reactions.
* **Epoxides:** Through epoxidation reactions.
* **Halogenated Compounds:** Through halogenation reactions.
5. **Study of Catalytic Reactions:** 1-hexene is frequently used as a model substrate for studying the mechanisms of **catalytic reactions** involving alkene functionalization.
**In summary**, 1-hexene is an essential building block in research and industrial applications due to its versatility, reactivity, and commercial availability. It plays a crucial role in the production of various materials and the development of new chemical processes.
1-hexene: structure in first source [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]
1-hexene : An alkene that is hexane carrying a double bond at position 1. [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]
| ID Source | ID |
|---|---|
| PubMed CID | 11597 |
| CHEMBL ID | 1548726 |
| CHEBI ID | 24579 |
| MeSH ID | M0301007 |
| Synonym |
|---|
| 1-hexene [un2370] [flammable liquid] |
| ec 209-753-1 |
| unii-b38zz8c206 |
| b38zz8c206 , |
| AKOS009031382 |
| alkenes, c6-7 alpha- |
| 68783-15-3 |
| einecs 272-188-4 |
| dialene 6 |
| un2370 |
| ai3-28797 |
| hsdb 1079 |
| einecs 209-753-1 |
| nsc 74121 |
| butyl ethylene |
| hexylene |
| 1-n-hexene |
| hexene-1 |
| nsc74121 |
| butylethylene |
| nsc-74121 |
| hex-1-ene |
| 1-hexene |
| 592-41-6 |
| inchi=1/c6h12/c1-3-5-6-4-2/h3h,1,4-6h2,2h |
| NCGC00091703-01 |
| C6 , |
| 1-hexene, >=99% |
| 1-hexene, 97% |
| hexene |
| S0336 |
| H0121 |
| A832221 |
| NCGC00091703-02 |
| CHEMBL1548726 |
| chebi:24579 , |
| cas-592-41-6 |
| NCGC00258277-01 |
| tox21_200723 |
| dtxcid105402 |
| dtxsid4025402 , |
| 68526-99-8 |
| alkenes, c6-9 alpha- |
| einecs 271-244-5 |
| FT-0607890 |
| alkenes, c6-9 .alpha.- |
| alkenes, c6-7 .alpha.- |
| 1-hexene [hsdb] |
| hexene, 1- |
| hexene [inci] |
| .alpha.-hexene |
| linealene 6 |
| neodene 6 xhp |
| 1-c6h12 |
| un 2370 |
| 542-41-6 |
| n-hexene |
| STL453688 |
| mfcd00009505 |
| alpha-hexene |
| 1-hexene, analytical standard |
| 1-hexene, purum, >=96.0% (gc) |
| 1-hexene, 98.5% |
| Q161637 |
| 5-hexene |
| hexacarbene |
| 26746-82-7 |
| 2(or 3)-hexene |
| 1(or 2)-hexene |
| Product Category | Products |
|---|---|
| Baby & Kids Products | 1 |
| Product | Brand | Category | Compounds Matched from Ingredients | Date Retrieved |
|---|---|---|---|---|
| Babyganics Squeeze & Foam Shampoo and Body Wash Chamomile Verbena -- 7 fl oz | Babyganics | Baby & Kids Products | C-6, citric acid, cis 3 hexenyl acetate natural, citric acid, dehydroacetic acid, ethylhexylglycerin, glycerin, methyl cinnamate, trisodium ethylenediamine disuccinate, phenoxyethanol, propanediol, sodium hydroxide, vanillin | 2024-11-29 10:47:42 |
| Class | Description |
|---|---|
| alkene | An acyclic branched or unbranched hydrocarbon having one carbon-carbon double bond and the general formula CnH2n. Acyclic branched or unbranched hydrocarbons having more than one double bond are alkadienes, alkatrienes, etc. |
| [compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res] | |
| Protein | Taxonomy | Measurement | Average (µ) | Min (ref.) | Avg (ref.) | Max (ref.) | Bioassay(s) |
|---|---|---|---|---|---|---|---|
| aldehyde dehydrogenase 1 family, member A1 | Homo sapiens (human) | Potency | 14.1254 | 0.0112 | 12.4002 | 100.0000 | AID1030 |
| thyroid stimulating hormone receptor | Homo sapiens (human) | Potency | 25.1189 | 0.0013 | 18.0743 | 39.8107 | AID926; AID938 |
| glucocorticoid receptor [Homo sapiens] | Homo sapiens (human) | Potency | 0.2818 | 0.0002 | 14.3764 | 60.0339 | AID588532 |
| [prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023] | |||||||
| Assay ID | Title | Year | Journal | Article |
|---|---|---|---|---|
| AID603957 | Octanol-water partition coefficient, log P of the compound | 2008 | European journal of medicinal chemistry, Apr, Volume: 43, Issue:4 | QSPR modeling of octanol/water partition coefficient for vitamins by optimal descriptors calculated with SMILES. |
| [information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||||
| Timeframe | Studies, This Drug (%) | All Drugs % |
|---|---|---|
| pre-1990 | 3 (4.92) | 18.7374 |
| 1990's | 3 (4.92) | 18.2507 |
| 2000's | 24 (39.34) | 29.6817 |
| 2010's | 28 (45.90) | 24.3611 |
| 2020's | 3 (4.92) | 2.80 |
| [information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||
According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be very strong demand-to-supply ratio for research on this compound.
| This Compound (67.65) All Compounds (24.57) |
| Publication Type | This drug (%) | All Drugs (%) |
|---|---|---|
| Trials | 0 (0.00%) | 5.53% |
| Reviews | 1 (1.59%) | 6.00% |
| Case Studies | 0 (0.00%) | 4.05% |
| Observational | 0 (0.00%) | 0.25% |
| Other | 62 (98.41%) | 84.16% |
| [information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||
| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|---|---|---|---|---|
| ethylene dichloride ethylene dichloride: RN given refers to 1,2-isomer; structure given in first source. 1,2-dichloroethane : A member of the class of chloroethanes substituted by two chloro groups at positions 1 and 2. | 2.04 | 1 | 0 | chloroethanes | hepatotoxic agent; mutagen; non-polar solvent |
| 1,2,4-trichlorobenzene 1,2,4-trichlorobenzene : A trichlorobenzene with chloro substituents at positions 1, 2 and 4. | 2.04 | 1 | 0 | trichlorobenzene | |
| acetone methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 2.05 | 1 | 0 | ketone body; methyl ketone; propanones; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; human metabolite; polar aprotic solvent |
| benzene [no description available] | 2.04 | 1 | 0 | aromatic annulene; benzenes; volatile organic compound | carcinogenic agent; environmental contaminant; non-polar solvent |
| 1-butanol 1-Butanol: A four carbon linear hydrocarbon that has a hydroxy group at position 1.. butan-1-ol : A primary alcohol that is butane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It it produced in small amounts in humans by the gut microbes. | 2.02 | 1 | 0 | alkyl alcohol; primary alcohol; short-chain primary fatty alcohol | human metabolite; mouse metabolite; protic solvent |
| methane Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 7.75 | 3 | 0 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
| chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.44 | 2 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
| octane Octanes: Eight-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. octane : A straight chain alkane composed of 8 carbon atoms. | 2.04 | 1 | 0 | alkane | xenobiotic |
| hydrogen Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2.43 | 2 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
| methanol Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 2.1 | 1 | 0 | alkyl alcohol; one-carbon compound; primary alcohol; volatile organic compound | amphiprotic solvent; Escherichia coli metabolite; fuel; human metabolite; mouse metabolite; Mycoplasma genitalium metabolite |
| naphthalene [no description available] | 2.04 | 1 | 0 | naphthalenes; ortho-fused bicyclic arene | apoptosis inhibitor; carcinogenic agent; environmental contaminant; mouse metabolite; plant metabolite; volatile oil component |
| niacinamide nicotinamide : A pyridinecarboxamide that is pyridine in which the hydrogen at position 3 is replaced by a carboxamide group. | 2.04 | 1 | 0 | pyridine alkaloid; pyridinecarboxamide; vitamin B3 | anti-inflammatory agent; antioxidant; cofactor; EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor; EC 3.5.1.98 (histone deacetylase) inhibitor; Escherichia coli metabolite; geroprotector; human urinary metabolite; metabolite; mouse metabolite; neuroprotective agent; Saccharomyces cerevisiae metabolite; Sir2 inhibitor |
| n,n-dimethylaniline N,N-dimethylaniline: RN given refers to parent cpd; structure. dimethylaniline : A methylaniline carrying at least two methyl groups.. N,N-dimethylaniline : A tertiary amine that is aniline in which the amino hydrogens are replaced by two methyl groups. | 2.07 | 1 | 0 | dimethylaniline; tertiary amine | |
| orotic acid Orotic Acid: An intermediate product in PYRIMIDINE synthesis which plays a role in chemical conversions between DIHYDROFOLATE and TETRAHYDROFOLATE.. orotic acid : A pyrimidinemonocarboxylic acid that is uracil bearing a carboxy substituent at position C-6. | 2.04 | 1 | 0 | pyrimidinemonocarboxylic acid | Escherichia coli metabolite; metabolite; mouse metabolite |
| 4-aminobenzoic acid 4-Aminobenzoic Acid: An aminobenzoic acid isomer that combines with pteridine and GLUTAMIC ACID to form FOLIC ACID. The fact that 4-aminobenzoic acid absorbs light throughout the UVB range has also resulted in its use as an ingredient in SUNSCREENS.. 4-ammoniobenzoate : A zwitterion obtained by transfer of a proton from the carboxy to the amino group of 4-aminobenzoic acid.. 4-aminobenzoic acid : An aminobenzoic acid in which the amino group is para to the carboxy group. | 2.04 | 1 | 0 | aminobenzoic acid; aromatic amino-acid zwitterion | allergen; Escherichia coli metabolite; plant metabolite |
| phenanthrene phenanthrene : A polycyclic aromatic hydrocarbon composed of three fused benzene rings which takes its name from the two terms 'phenyl' and 'anthracene.' | 2.04 | 1 | 0 | ortho-fused polycyclic arene; ortho-fused tricyclic hydrocarbon; phenanthrenes | environmental contaminant; mouse metabolite |
| dimethyl sulfide dimethyl sulfide: structure. dimethyl sulfide : A methyl sulfide in which the sulfur atom is substituted by two methyl groups. It is produced naturally by some marine algae.. methyl sulfide : Any aliphatic sulfide in which at least one of the organyl groups attached to the sulfur is a methyl group. | 2.04 | 1 | 0 | aliphatic sulfide | algal metabolite; bacterial xenobiotic metabolite; EC 3.5.1.4 (amidase) inhibitor; Escherichia coli metabolite; marine metabolite |
| thiamine thiamine(1+) : A primary alcohol that is 1,3-thiazol-3-ium substituted by (4-amino-2-methylpyrimidin-5-yl)methyl, methyl and 2-hydroxyethyl groups at positions 3, 4 and 5, respectively. | 2.04 | 1 | 0 | primary alcohol; vitamin B1 | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| thymine [no description available] | 2.04 | 1 | 0 | pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite |
| toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.04 | 1 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
| 1-anilino-8-naphthalenesulfonate 1-anilino-8-naphthalenesulfonate: RN given refers to parent cpd. 8-anilinonaphthalene-1-sulfonic acid : A naphthalenesulfonic acid that is naphthalene-1-sulfonic acid substituted by a phenylamino group at position 8. | 2.05 | 1 | 0 | aminonaphthalene; naphthalenesulfonic acid | fluorescent probe |
| benzo(a)pyrene Benzo(a)pyrene: A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke.. benzo[a]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. | 2.04 | 1 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent; mouse metabolite |
| vitamin k 3 Vitamin K 3: A synthetic naphthoquinone without the isoprenoid side chain and biological activity, but can be converted to active vitamin K2, menaquinone, after alkylation in vivo. | 2.04 | 1 | 0 | 1,4-naphthoquinones; vitamin K | angiogenesis inhibitor; antineoplastic agent; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; human urinary metabolite; nutraceutical |
| meprobamate Meprobamate: A carbamate with hypnotic, sedative, and some muscle relaxant properties, although in therapeutic doses reduction of anxiety rather than a direct effect may be responsible for muscle relaxation. Meprobamate has been reported to have anticonvulsant actions against petit mal seizures, but not against grand mal seizures (which may be exacerbated). It is used in the treatment of ANXIETY DISORDERS, and also for the short-term management of INSOMNIA but has largely been superseded by the BENZODIAZEPINES. (From Martindale, The Extra Pharmacopoeia, 30th ed, p603) | 1.93 | 1 | 0 | organic molecular entity | |
| 4-dichlorobenzene dichlorobenzene : Any member of the class of chlorobenzenes carrying two chloro groups at unspecified positions.. 1,4-dichlorobenzene : A dichlorobenzene carrying chloro groups at positions 1 and 4. | 2.04 | 1 | 0 | dichlorobenzene | insecticide |
| procaine Procaine: A local anesthetic of the ester type that has a slow onset and a short duration of action. It is mainly used for infiltration anesthesia, peripheral nerve block, and spinal block. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1016).. procaine : A benzoate ester, formally the result of esterification of 4-aminobenzoic acid with 2-diethylaminoethanol but formed experimentally by reaction of ethyl 4-aminobenzoate with 2-diethylaminoethanol. | 2.04 | 1 | 0 | benzoate ester; substituted aniline; tertiary amino compound | central nervous system depressant; drug allergen; local anaesthetic; peripheral nervous system drug |
| benzimidazole 1H-benzimidazole : The 1H-tautomer of benzimidazole. | 2.01 | 1 | 0 | benzimidazole; polycyclic heteroarene | |
| 1,2,5,6-dibenzanthracene 1,2,5,6-dibenzanthracene: RN given refers to parent cpd | 2.04 | 1 | 0 | ortho-fused polycyclic arene | mutagen |
| carbon tetrachloride Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 2.04 | 1 | 0 | chlorocarbon; chloromethanes | hepatotoxic agent; refrigerant |
| benz(a)anthracene benz(a)anthracene: 4 fused rings of which one is angular in contrast to the linear NAPHTHACENES. tetraphene : An angular ortho-fused polycyclic arene consisting of four fused benzene rings. | 2.04 | 1 | 0 | ortho-fused polycyclic arene; tetraphenes | |
| adenosine monophosphate Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 2.04 | 1 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-monophosphate | adenosine A1 receptor agonist; cofactor; EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.11 (fructose-bisphosphatase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
| aniline [no description available] | 2.02 | 1 | 0 | anilines; primary arylamine | |
| n-hexanal [no description available] | 2.41 | 1 | 0 | medium-chain fatty aldehyde; n-alkanal; saturated fatty aldehyde | human urinary metabolite |
| hexachloro-4-xylene hexachloro-4-xylene: structure | 2.41 | 1 | 0 | ||
| 1,1,1-trichloroethane Trichloroethanes: Chlorinated ethanes which are used extensively as industrial solvents. They have been utilized in numerous home-use products including spot remover preparations and inhalant decongestant sprays. These compounds cause central nervous system and cardiovascular depression and are hepatotoxic. Include 1,1,1- and 1,1,2-isomers.. 1,1,1-trichloroethane : A member of the class of chloroethanes carrying three chloro substituents at position 1. | 2.04 | 1 | 0 | chloroethanes | polar solvent |
| ethylene Plastipore: high density polyethylene sponge biocompatible material; used as posts in dental bridges | 3.56 | 8 | 0 | alkene; gas molecular entity | plant hormone; refrigerant |
| boranes Boranes: The collective name for the boron hydrides, which are analogous to the alkanes and silanes. Numerous boranes are known. Some have high calorific values and are used in high-energy fuels. (From Grant & Hackh's Chemical Dictionary, 5th ed). borane : The simplest borane, consisting of a single boron atom carrying three hydrogens.. boranes : The molecular hydrides of boron. | 2.07 | 1 | 0 | boranes; mononuclear parent hydride | |
| methylacetylene methylacetylene: structure | 2.03 | 1 | 0 | alkyne; gas molecular entity; terminal acetylenic compound | |
| ethyl chloride Ethyl Chloride: A gas that condenses under slight pressure. Because of its low boiling point ethyl chloride sprayed on skin produces an intense cold by evaporation. Cold blocks nerve conduction. Ethyl chloride has been used in surgery but is primarily used to relieve local pain in sports medicine.. chloroethane : The simplest and least toxic member of the class of chloroethanes, that is ethane in which a single hydrogen is substituted by a chlorine. A colourless gas at room temperature and pressure (boiling point 12degreeC), it is used as a mild topical anaesthetic to numb the skin prior to ear piercing, skin biopsies, etc., and is also used in the treatment of sports injuries. It was formerly used in the production of tetraethyllead. | 2.04 | 1 | 0 | chloroethanes | antipruritic drug; inhalation anaesthetic; local anaesthetic |
| acetonitrile acetonitrile: RN given refers to unlabeled cpd. acetonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group. | 2.1 | 1 | 0 | aliphatic nitrile; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; NMR chemical shift reference compound; polar aprotic solvent |
| cyclopropane cyclopropane : A cycloalkane composed of three carbon atoms to form a ring. | 2.03 | 1 | 0 | cycloalkane; cyclopropanes | inhalation anaesthetic |
| acetyl chloride [no description available] | 2.02 | 1 | 0 | acyl chloride | |
| trichlorofluoromethane trichlorofluoromethane: refrigerant, aerosol propellant; RN given refers to parent cpd; structure. trichlorofluoromethane : A one-carbon compound that is methane in which the hydrogens have been replaced by three chlorine and one fluorine atom. | 2.04 | 1 | 0 | chlorofluorocarbon; halomethane | environmental contaminant; NMR chemical shift reference compound; NMR solvent; refrigerant |
| pentachloroethane [no description available] | 2.04 | 1 | 0 | chloroethanes | non-polar solvent |
| trifluoroacetic acid Trifluoroacetic Acid: A very strong halogenated derivative of acetic acid. It is used in acid catalyzed reactions, especially those where an ester is cleaved in peptide synthesis.. trifluoroacetic acid : A monocarboxylic acid that is the trifluoro derivative of acetic acid. | 2.02 | 1 | 0 | fluoroalkanoic acid | human xenobiotic metabolite; NMR chemical shift reference compound; reagent |
| isopentane [no description available] | 2.04 | 1 | 0 | alkane | refrigerant |
| trichloroethylene Trichloroethylene: A highly volatile inhalation anesthetic used mainly in short surgical procedures where light anesthesia with good analgesia is required. It is also used as an industrial solvent. Prolonged exposure to high concentrations of the vapor can lead to cardiotoxicity and neurological impairment.. triol : A chemical compound containing three hydroxy groups. | 2.04 | 1 | 0 | chloroethenes | inhalation anaesthetic; mouse metabolite |
| acrylic acid acrylic acid: RN given refers to parent cpd. acrylic acid : A alpha,beta-unsaturated monocarboxylic acid that is ethene substituted by a carboxy group. | 2.04 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid | metabolite |
| 1,1,2,2-tetrachloroethane 1,1,2,2-tetrachloroethane: see also record for tetrachloroethane. 1,1,2,2-tetrachloroethane : A member of the class of chloroethanes that is ethane substituted by chloro groups at positions 1, 1, 2 and 2. | 2.04 | 1 | 0 | chloroethanes | |
| pantothenic acid Pantothenic Acid: A butyryl-beta-alanine that can also be viewed as pantoic acid complexed with BETA ALANINE. It is incorporated into COENZYME A and protects cells against peroxidative damage by increasing the level of GLUTATHIONE.. pantothenic acid : A member of the class of pantothenic acids that is an amide formed from pantoic acid and beta-alanine.. vitamin B5 : Any member of a group of vitamers that belong to the chemical structural class called pantothenic acids that exhibit biological activity against vitamin B5 deficiency. Deficiency of vitamin B5 is rare due to its widespread distribution in whole grain cereals, legumes and meat. Symptoms associated with vitamin B5 deficiency are difficult to asses since they are subtle and resemble those of other B vitamin deficiencies. The vitamers include (R)-pantothenic acid and its ionized and salt forms.. (R)-pantothenate : A pantothenate that is the conjugate base of (R)-pantothenic acid, obtained by deprotonation of the carboxy group.. (R)-pantothenic acid : A pantothenic acid having R-configuration. | 2.04 | 1 | 0 | pantothenic acid; vitamin B5 | antidote to curare poisoning; geroprotector; human blood serum metabolite |
| acenaphthene [no description available] | 2.04 | 1 | 0 | acenaphthenes | |
| 7,8-dimethyl-10-[(2R,3R,4S)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4-dione [no description available] | 2.04 | 1 | 0 | flavin | |
| fluorene [no description available] | 2.04 | 1 | 0 | ortho-fused polycyclic arene; ortho-fused tricyclic hydrocarbon | |
| 1,2,3-trichlorobenzene trichlorobenzene: commercial grade of trichlorobenzene containing 70% 1,2,4-trichlorobenzene & 30% 1,2,3-trichlorobenzene; see also record for 1,2,4-trichlorobenzene. trichlorobenzene : Any member of the class of chlorobenzenes carrying three chloro substituents at unspecified positions.. 1,2,3-trichlorobenzene : A trichlorobenzene carrying chloro substituents at positions 1, 2 and 3. | 2.04 | 1 | 0 | trichlorobenzene | |
| hexamethylbenzene hexamethylbenzene : A methylbenzene that is benzene in which all six hydrogens have been replaced by methyl groups. | 2.04 | 1 | 0 | methylbenzene | |
| 1-methylnaphthalene 1-methylnaphthalene : A methylnaphthalene carrying a methyl substituent at position 1. | 2.04 | 1 | 0 | methylnaphthalene | carcinogenic agent; plant metabolite |
| 1-chloronaphthalene 1-chloronaphthalene: word preservative; in xylamon the active ingredient is 60% 1-chloronaphthalene; structure in Merck Index, 9th ed, #2126 | 2.04 | 1 | 0 | ||
| 2-methylnaphthalene 2-methylnaphthalene: RN given refers to parent cpd. 2-methylnaphthalene : A methylnaphthalene carrying a methyl substituent at position 2. | 2.04 | 1 | 0 | methylnaphthalene | |
| 2-chloronaphthalene 2-chloronaphthalene: structure in first source | 2.04 | 1 | 0 | ||
| naphthacene tetracene : An acene that consists of four ortho-fused benzene rings in a rectilinear arrangement. | 2.04 | 1 | 0 | acene; tetracenes | |
| diphenyl diphenyl: RN given refers to unlabeled cpd; structure | 2.04 | 1 | 0 | aromatic fungicide; benzenes; biphenyls | antifungal agrochemical; antimicrobial food preservative |
| 2-xylene 2-xylene: RN given refers to parent cpd. o-xylene : A xylene substituted by methyl groups at positions 1 and 2. | 2.04 | 1 | 0 | xylene | |
| 2-chlorotoluene 2-chlorotoluene: RN given refers to parent cpd | 2.04 | 1 | 0 | ||
| 2-dichlorobenzene 2-dichlorobenzene: structure. 1,2-dichlorobenzene : A dichlorobenzene carrying chloro substituents at positions 1 and 2. | 2.04 | 1 | 0 | dichlorobenzene | hepatotoxic agent; metabolite |
| pseudocumene 1,2,4-trimethylbenzene : A trimethylbenzene carrying methyl groups at positions 1, 2 and 4. | 2.04 | 1 | 0 | trimethylbenzene | neurotoxin |
| durene durene: structure. durene : A tetramethylbenzene carrying methyl groups at positions 1, 2, 4 and 5. | 2.04 | 1 | 0 | tetramethylbenzene | |
| 1,2,4,5-tetrachlorobenzene 1,2,4,5-tetrachlorobenzene : A tetrachlorobenzene carrying chloro groups at positions 1, 2, 4 and 5. | 2.04 | 1 | 0 | tetrachlorobenzene | |
| tert-butylbenzene [no description available] | 2.04 | 1 | 0 | ||
| cumene cumene : An alkylbenzene that is benzene carrying an isopropyl group. | 2.04 | 1 | 0 | alkylbenzene | |
| 4-cymene 4-cymene: structure. p-cymene : A monoterpene that is toluene substituted by an isopropyl group at position 4. | 2.04 | 1 | 0 | monoterpene; toluenes | human urinary metabolite; plant metabolite; volatile oil component |
| ethylbenzene [no description available] | 2.04 | 1 | 0 | alkylbenzene | |
| styrene Styrene: A colorless, toxic liquid with a strong aromatic odor. It is used to make rubbers, polymers and copolymers, and polystyrene plastics.. styrene : A vinylarene that is benzene carrying a vinyl group. It has been isolated from the benzoin resin produced by Styrax species. | 7.46 | 2 | 0 | styrenes; vinylarene; volatile organic compound | mouse metabolite; mutagen; plant metabolite |
| 1,2-dihydrostilbene 1,2-dihydrostilbene: intermdiate in biosynthesis of dihydrophenanthrenes from phenylalanine. 1,2-dihydrostilbene : A diphenylethane that is the 1,2-dihydro derivative of stilbene. | 2.04 | 1 | 0 | diphenylethane | |
| n-propylbenzene n-propylbenzene: RN given refers to parent cpd. propylbenzene : An alkylbenzene that is benzene having one of its aromatic hydrogens substituted by a propyl group. | 2.04 | 1 | 0 | alkylbenzene | |
| n-butylbenzene butylbenzene : An alkylbenzene that is benzene substituted by a butyl group at position 1. | 2.04 | 1 | 0 | alkylbenzene | |
| 1,4-dibromobenzene [no description available] | 2.04 | 1 | 0 | dibromobenzene | |
| 4-xylene p-xylene : A xylene with methyl groups at positions 1 and 4. | 2.04 | 1 | 0 | xylene | |
| 4-chlorotoluene 4-chlorotoluene: RN given refers to unlabeled cpd | 2.04 | 1 | 0 | monochlorobenzenes | |
| ethylene dibromide Ethylene Dibromide: An effective soil fumigant, insecticide, and nematocide. In humans, it causes severe burning of skin and irritation of the eyes and respiratory tract. Prolonged inhalation may cause liver necrosis. It is also used in gasoline. Members of this group have caused liver and lung cancers in rodents. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), 1,2-dibromoethane may reasonably be anticipated to be a carcinogen.. 1,2-dibromoethane : A bromoalkane that is ethane carrying bromo substituents at positions 1 and 2. It is produced by marine algae. | 2.04 | 1 | 0 | bromoalkane; bromohydrocarbon | algal metabolite; carcinogenic agent; fumigant; marine metabolite; mouse metabolite; mutagen |
| butane butane : A straight chain alkane composed of 4 carbon atoms. | 2.46 | 2 | 0 | alkane; gas molecular entity | food propellant; refrigerant |
| 1-butene but-1-ene : A butene with unsaturation at position 1. | 2.04 | 1 | 0 | butene | |
| acrolein [no description available] | 2.02 | 1 | 0 | enal | herbicide; human xenobiotic metabolite; toxin |
| 2-methylpentane Hexanes: Six-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. Various polyneuropathies are caused by hexane poisoning. | 2.43 | 2 | 0 | alkane | |
| 3-xylene m-xylene : A xylene carrying methyl groups at positions 1 and 3. | 2.04 | 1 | 0 | xylene | |
| mesitylene mesitylene: structure. 1,3,5-trimethylbenzene : A trimethylbenzene carrying methyl substituents at positions 1, 3 and 5. | 2.04 | 1 | 0 | trimethylbenzene | |
| 1,3,5-trichlorobenzene 1,3,5-trichlorobenzene: structure in first source. 1,3,5-trichlorobenzene : A trichlorobenzene carrying chloro substituents at positions 1, 3 and 5. | 2.04 | 1 | 0 | trichlorobenzene | |
| bromobenzene [no description available] | 2.04 | 1 | 0 | bromoarene; bromobenzenes; volatile organic compound | hepatotoxic agent; mouse metabolite; non-polar solvent |
| chlorobenzene [no description available] | 2.04 | 1 | 0 | monochlorobenzenes | solvent |
| pentane Pentanes: Five-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. pentane : A straight chain alkane consisting of 5 carbon atoms. | 2.04 | 1 | 0 | alkane; volatile organic compound | non-polar solvent; refrigerant |
| 1-pentene 1-pentene: structure in first source | 2.04 | 1 | 0 | ||
| butyl chloride butyl chloride: structure | 2.04 | 1 | 0 | ||
| pyrroles 1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 2.08 | 1 | 0 | pyrrole; secondary amine | |
| n-hexane hexane : An unbranched alkane containing six carbon atoms. | 2.04 | 1 | 0 | alkane; volatile organic compound | neurotoxin; non-polar solvent |
| cyclohexane Cyclohexane: C6H12. cyclohexane : An alicyclic hydrocarbon comprising a ring of six carbon atoms; the cyclic form of hexane, used as a raw material in the manufacture of nylon. | 2.04 | 1 | 0 | cycloalkane; volatile organic compound | non-polar solvent |
| cyclohexene cyclohexene : A cycloalkene that is cylohexane with a single double bond. | 2.71 | 3 | 0 | cycloalkene | |
| 1-octene 1-octene: RN given refers to parent cpd. 1-octene : An octene with an unsaturation C-1. | 2.48 | 2 | 0 | octene | |
| nonane iotrochotin: toxin from the Caribbean sponge Iotrochota birotulata, which selectively permeabilizes synaptosomes. nonane : A straight chain alkane composed of 9 carbon atoms. | 2.04 | 1 | 0 | alkane | plant metabolite; volatile oil component |
| propylene propylene: structure | 2.52 | 2 | 0 | alkene; gas molecular entity | refrigerant; xenobiotic |
| hexachlorobenzene Hexachlorobenzene: An agricultural fungicide and seed treatment agent.. hexachlorobenzene : A member of the class of chlorobenzenes that is benzene in which all of the hydrogens are replaced by chlorines. An agricultural fungicide introduced in the mid-1940s and formerly used as a seed treatment, its use has been banned since 1984 under the Stockholm Convention on Persistent Organic Pollutants. | 2.04 | 1 | 0 | aromatic fungicide; chlorobenzenes | antifungal agrochemical; carcinogenic agent; persistent organic pollutant |
| anthracene acene : A polycyclic aromatic hydrocarbon consisting of fused benzene rings in a rectilinear arrangement.. acenes : Polycyclic aromatic hydrocarbons consisting of fused benzene rings in a rectilinear arrangement and their substitution derivatives. | 2.04 | 1 | 0 | acene; anthracenes; ortho-fused tricyclic hydrocarbon | |
| ethyl acetate ethyl acetate : The acetate ester formed between acetic acid and ethanol. | 2.47 | 2 | 0 | acetate ester; ethyl ester; volatile organic compound | EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor; metabolite; polar aprotic solvent; Saccharomyces cerevisiae metabolite |
| n-heptane Heptanes: Seven-carbon alkanes with the formula C7H16.. heptane : A straight-chain alkane with seven carbon atoms. It has been found in Jeffrey pine (Pinus jeffreyi). | 2.04 | 1 | 0 | alkane; volatile organic compound | non-polar solvent; plant metabolite |
| 1,12-benzoperylene 1,12-benzoperylene: structure; see also record for benzoperylene | 2.04 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
| benzo(e)pyrene benzo(e)pyrene: RN given refers to parent cpd. benzo[e]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. It is listed as a Group 3 carcinogen by the IARC. | 2.04 | 1 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent; mutagen |
| perylene Perylene: A 20-carbon dibenz(de,kl)anthracene that can be viewed as a naphthalene fused to a phenalene or as dinaphthalene. It is used as fluorescent lipid probe in the cytochemistry of membranes and is a polycyclic hydrocarbon pollutant in soil and water. Derivatives may be carcinogenic.. perylene : An ortho- and peri-fused polycyclic arene comprising of five benzene rings that is anthracene in which the d,e and k,l sides are fused to benzene rings. | 2.04 | 1 | 0 | ortho- and peri-fused polycyclic arene; perylenes | |
| benzo(j)fluoranthene benzo(j)fluoranthene: dihydrodiol metabolites identified as mutagens; structure given in first source | 2.04 | 1 | 0 | naphthalenes | |
| benzo(b)fluoranthene benzo[b]fluoranthene : An ortho- and peri-fused polycyclic arene that consists of a benzene ring fused with a acephenanthrylene ring. | 2.04 | 1 | 0 | ortho- and peri-fused polycyclic arene | mutagen |
| fluoranthene fluoranthene: structure. fluoranthene : An ortho- and peri-fused polycyclic arene consisting of a naphthalene and benzene unit connected by a five-membered ring. | 2.04 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
| benzo(k)fluoranthene [no description available] | 2.04 | 1 | 0 | naphthalenes | |
| triphenylene triphenylene: structure. triphenylene : An ortho-fused polycyclic arene consisting of four fused benzene rings. | 2.04 | 1 | 0 | ortho-fused polycyclic arene | |
| chrysene chrysene: structure in Merck Index, 9th ed, #2252. chrysene : An ortho-fused polycyclic arene found commonly in the coal tar. | 2.04 | 1 | 0 | ortho-fused polycyclic arene | plant metabolite |
| dibenzo(aj)anthracene dibenzo(aj)anthracene: structure in first source | 2.04 | 1 | 0 | phenanthrenes | |
| benzo(a)fluorene benzo(a)fluorene: structure in first source | 2.04 | 1 | 0 | carbotetracyclic compound | |
| benzo(b)fluorene benzo(b)fluorene: structure in first source | 2.04 | 1 | 0 | carbotetracyclic compound | |
| adamantane Adamantane: A tricyclo bridged hydrocarbon. | 2.04 | 1 | 0 | adamantanes; polycyclic alkane | |
| cyclopentane Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution. | 2.46 | 2 | 0 | cycloalkane; cyclopentanes; volatile organic compound | non-polar solvent |
| cyclooctane [no description available] | 2.04 | 1 | 0 | ||
| diethyl sulfide ethyl sulfide : An aliphatic sulfide in which the sulfur atom is bonded to at least one ethyl group.. diethyl sulfide : An ethyl sulfide compound having two ethyl groups attached to a sulfur atom. | 2.04 | 1 | 0 | ethyl sulfide | |
| fluorobenzenes Fluorobenzenes: Derivatives of BENZENE that contain FLUORINE.. monofluorobenzene : The simplest member of the class of monofluorobenzenes that is benzene carrying a single fluoro substituent.. fluorobenzenes : Any fluoroarene that is a benzene or a substituted benzene carrying at least one fluoro group. | 2.04 | 1 | 0 | monofluorobenzenes | NMR chemical shift reference compound |
| propadiene [no description available] | 2.03 | 1 | 0 | allenes | |
| cholanthrene cholanthrene: structure given in first source | 2.04 | 1 | 0 | ||
| menadiol [no description available] | 2.04 | 1 | 0 | methylnaphthalenes; naphthalenediols; naphthohydroquinone | |
| hemimellitene hemimellitene: structure. 1,2,3-trimethylbenzene : A trimethylbenzene carrying methyl groups at positions 1, 2 and 3. It has been found in Centaurium erythraea. | 2.04 | 1 | 0 | trimethylbenzene | neurotoxin; plant metabolite |
| 1-chloropropane 1-chloropropane: structure in first source | 2.04 | 1 | 0 | ||
| 2,2,4-trimethylpentane 2,2,4-trimethylpentane: nephrotoxic. isooctane : An alkane that consists of pentane bearing two methyl substituents at position 2 and a single methyl substituent at position 4. | 2.04 | 1 | 0 | alkane; volatile organic compound | fuel additive; nephrotoxin; non-polar solvent |
| 1,3-dichlorobenzene 1,3-dichlorobenzene : A dichlorobenzene carrying chloro substituents at positions 1 and 3. | 2.04 | 1 | 0 | dichlorobenzene | |
| 1-chlorohexane [no description available] | 2.04 | 1 | 0 | ||
| diethylzinc [no description available] | 2.01 | 1 | 0 | ||
| 1,4-dimethylnaphthalene 1,4-dimethylnaphthalene : A dimethylnaphthalene carrying methyl groups at positions 1 and 4. | 2.04 | 1 | 0 | dimethylnaphthalene | |
| 2,6-dimethylnaphthalene 2,6-dimethylnaphthalene: RN given refers to parent cpd. 2,6-dimethylnaphthalene : A dimethylnaphthalene carrying methyl groups at positions 2 and 6. | 2.04 | 1 | 0 | dimethylnaphthalene | environmental contaminant |
| 1,2-dibromobenzene dibromobenzene : Any member of the class of bromobenzenes that consists of a benzene or a substituted benzene ring carrying two bromo groups at unspecified positions. | 2.04 | 1 | 0 | dibromobenzene | |
| iodobenzene iodobenzene: RN given refers to unlabeled parent cpd | 2.42 | 2 | 0 | ||
| 1,3-cyclohexadiene 1,3-cyclohexadiene: structure given in first source | 7.06 | 1 | 0 | cyclohexadiene | |
| pentachlorobenzene pentachlorobenzene: structure. pentachlorobenzene : A member of the class of pentachlorobenzenes that is benzene in which five of the hydrogens are replaced by chlorines. Now classed as a persistent organic pollutant under the Stockholm Convention. | 2.04 | 1 | 0 | pentachlorobenzenes | persistent organic pollutant |
| 2-methylanthracene 2-methylanthracene: structure given in first source | 2.04 | 1 | 0 | ||
| diazoacetic ester diazoacetic ester: structure | 2.05 | 1 | 0 | ||
| 1,4-cyclohexadiene [no description available] | 2.07 | 1 | 0 | cyclohexadiene | |
| 1,2,3,4-tetrachlorobenzene 1,2,3,4-tetrachlorobenzene : A tetrachlorobenzene carrying chloro groups at positions 1, 2 , 3 and 4.. tetrachlorobenzene : Any member of the class of chlorobenzenes carrying four chloro groups at unspecified positions. | 2.04 | 1 | 0 | tetrachlorobenzene | |
| 1,2,3,5-tetrachlorobenzene 1,2,3,5-tetrachlorobenzene : A tetrachlorobenzene carrying chloro groups at positions 1, 2, 3 and 5. | 2.04 | 1 | 0 | tetrachlorobenzene | |
| 9-methylanthracene [no description available] | 2.04 | 1 | 0 | ||
| 9,10-dimethylanthracene 9,10-dimethylanthracene: RN given refers to parent ion | 2.04 | 1 | 0 | ||
| 2-cyclohexen-1-one 2-cyclohexen-1-one: RN given refers to unlabeled cpd with specified locant for double bond. cyclohexenone : The parent compound of the cyclohexenones, composed of cyclohexanone having one double bond in the ring.. cyclohex-2-enone : A cyclohexenone having its C=C double bond at the 2-position. | 2 | 1 | 0 | cyclohexenone | |
| undecane undecane : A straight-chain alkane with 11 carbon atoms. | 2.04 | 1 | 0 | alkane | |
| d-alpha tocopherol Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 2.04 | 1 | 0 | alpha-tocopherol | algal metabolite; antiatherogenic agent; anticoagulant; antioxidant; antiviral agent; EC 2.7.11.13 (protein kinase C) inhibitor; immunomodulator; micronutrient; nutraceutical; plant metabolite |
| 6-methylchrysene 6-methylchrysene: RN given refers to parent cpd; structure given in first source | 2.04 | 1 | 0 | carbopolycyclic compound | |
| decane decane : A straight-chain alkane with 10 carbon atoms. | 2.42 | 2 | 0 | alkane | |
| 12-methylbenzanthracene [no description available] | 2.04 | 1 | 0 | ||
| 2-methylphenanthrene [no description available] | 2.04 | 1 | 0 | ||
| 7-methylbenzanthracene [no description available] | 2.04 | 1 | 0 | ||
| 5-methylchrysene 5-methylchrysene: methylchrysenes in tobacco smoke are suspected to contribute to tumorigenicity of this inhalant; RN given refers to unlabeled cpd; structure | 2.04 | 1 | 0 | carbopolycyclic compound | |
| 5,6-dimethylchrysene 5,6-dimethylchrysene: structure given in first source | 2.04 | 1 | 0 | ||
| 7-ethylbenz(a)anthracene [no description available] | 2.04 | 1 | 0 | ||
| palladium Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 2.74 | 3 | 0 | metal allergen; nickel group element atom; platinum group metal atom | |
| platinum Platinum: A heavy, soft, whitish metal, resembling tin, with atomic number 78, atomic weight 195.084, symbol Pt. It is used in manufacturing equipment for laboratory and industrial use. It occurs as a black powder (platinum black) and as a spongy substance (spongy platinum) and may have been known in Pliny's time as alutiae. | 2.02 | 1 | 0 | elemental platinum; nickel group element atom; platinum group metal atom | |
| rhodium Rhodium: A hard and rare metal of the platinum group, atomic number 45, atomic weight 102.905, symbol Rh.. rhodium atom : A cobalt group element atom of atomic number 45. | 7.42 | 2 | 0 | cobalt group element atom | |
| ruthenium Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM. | 2.25 | 1 | 0 | iron group element atom; platinum group metal atom | |
| titanium Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures. | 8.17 | 5 | 0 | titanium group element atom | |
| gold Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 2.15 | 1 | 0 | copper group element atom; elemental gold | |
| zirconium Zirconium: A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr. | 3.14 | 5 | 0 | titanium group element atom | |
| zirconium chloride zirconium tetrachloride : A zirconium coordination entity comprising four chlorine atoms bound to a central zirconium atom. | 2.05 | 1 | 0 | inorganic chloride; zirconium coordination entity | catalyst |
| titanium dioxide titanium dioxide: used medically as protectant against externally caused irritation & sunlight; high concentrations of dust may cause irritation to respiratory tract; RN given refers to titanium oxide (TiO2); structure. titanium dioxide : A titanium oxide with the formula TiO2. A naturally occurring oxide sourced from ilmenite, rutile and anatase, it has a wide range of applications. | 2.02 | 1 | 0 | titanium oxides | food colouring |
| tiletamine hydrochloride Cyclohexanones: Cyclohexane ring substituted by one or more ketones in any position.. cyclohexanones : Any alicyclic ketone based on a cyclohexane skeleton and its substituted derivatives thereof. | 2 | 1 | 0 | ||
| phenyl acetate phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.98 | 4 | 0 | benzenes; phenyl acetates | |
| tetrachloroethylene Tetrachloroethylene: A chlorinated hydrocarbon used as an industrial solvent and cooling liquid in electrical transformers. It is a potential carcinogen. | 2.04 | 1 | 0 | chlorocarbon; chloroethenes | nephrotoxic agent |
| pyrene pyrene: structure in Merck Index, 9th ed, #7746. pyrene : An ortho- and peri-fused polycyclic arene consisting of four fused benzene rings, resulting in a flat aromatic system. | 2.04 | 1 | 0 | ortho- and peri-fused polycyclic arene | fluorescent probe; persistent organic pollutant |
| alkenes [no description available] | 6.55 | 60 | 0 | ||
| 2,3,4,5-tetrachlorobiphenyl tetrachlorobiphenyl : Any polychlorobiphenyl with molecular formula C12H6Cl4. | 2.04 | 1 | 0 | tetrachlorobenzene; tetrachlorobiphenyl | |
| 2,5-dichlorobiphenyl 2,5-dichlorobiphenyl : A dichlorobiphenyl that is p-dichlorobenzene in which one of the hydrogens has been replaced by a phenyl group. | 2.04 | 1 | 0 | dichlorobenzene; dichlorobiphenyl | |
| 2,4'-dichlorobiphenyl 2,4'-dichlorobiphenyl: RN given refers to unlabeled cpd. 2,4'-dichlorobiphenyl : A dichlorobiphenyl that is chlorobenzene in which the hydrogen at position 2 has been replaced by a 4-chlorophenyl group. | 2.04 | 1 | 0 | dichlorobiphenyl; monochlorobenzenes | |
| 2,4,6-trichlorobiphenyl 2,4,6-trichlorobiphenyl: structure given in first source | 2.04 | 1 | 0 | ||
| trifluoroacetamide [no description available] | 2.02 | 1 | 0 | ||
| aporphine aporphine: RN given refers to parent cpd without isomeric designation. aporphine : An isoquinoline alkaloid that is the N-methyl derivative of 5,6,6a,7-tetrahydro-4H-dibenzo[de,g]quinoline. | 2.1 | 1 | 0 | aporphine alkaloid; isoquinoline alkaloid fundamental parent; tertiary amino compound | |
| carbene carbene: electrically neutral species H2C: and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons; carbene is the name of the parent hydride :CH2 ; hence, the name dichlorocarbene for :CCl2. However, names for acyclic and cyclic hydrocarbons containing one or more divalent carbon atoms are derived from the name of the corresponding all-4-hydrocarbon using the suffix -ylidene; methylene carbene also available. carbene : The electrically neutral species H2C(2.) and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons, which may be spin-paired (singlet state) or spin-non-paired (triplet state). | 2.46 | 2 | 0 | carbene; methanediyl | |
| hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.44 | 2 | 0 | oxygen hydride; oxygen radical; reactive oxygen species | |
| biotin vitamin B7 : Any member of a group of vitamers that belong to the chemical structural class called biotins that exhibit biological activity against vitamin B7 deficiency. Vitamin B7 deficiency is very rare in individuals who take a normal balanced diet. Foods rich in biotin are egg yolk, liver, cereals, vegetables (spinach, mushrooms) and rice. Symptoms associated with vitamin B7 deficiency include thinning hair, scaly skin rashes around eyes, nose and mouth, and brittle nails. The vitamers include biotin and its ionized and salt forms. | 2.04 | 1 | 0 | biotins; vitamin B7 | coenzyme; cofactor; Escherichia coli metabolite; fundamental metabolite; human metabolite; mouse metabolite; nutraceutical; prosthetic group; Saccharomyces cerevisiae metabolite |
| 2-chlorobiphenyl 2-chlorobiphenyl: RN from Toxlit. 2-chlorobiphenyl : A monochlorobiphenyl carrying a single chloro substituent at position 2.. monochlorobiphenyl : A chlorobiphenyl carrying a single chloro substituent at unspecified position.. chlorobiphenyl : A chloroarene that consists of a biphenyl skeleton substituted by one or more chloro groups. | 2.04 | 1 | 0 | monochlorobiphenyl | |
| 7-dehydrocholesterol [no description available] | 2.04 | 1 | 0 | 3beta-hydroxy-Delta(5)-steroid; 3beta-sterol; cholestanoid; Delta(5),Delta(7)-sterol | human metabolite; mouse metabolite |
| retinol Vitamin A: Retinol and derivatives of retinol that play an essential role in metabolic functioning of the retina, the growth of and differentiation of epithelial tissue, the growth of bone, reproduction, and the immune response. Dietary vitamin A is derived from a variety of CAROTENOIDS found in plants. It is enriched in the liver, egg yolks, and the fat component of dairy products.. vitamin A : Any member of a group of fat-soluble retinoids produced via metabolism of provitamin A carotenoids that exhibit biological activity against vitamin A deficiency. Vitamin A is involved in immune function, vision, reproduction, and cellular communication.. all-trans-retinol : A retinol in which all four exocyclic double bonds have E- (trans-) geometry.. retinol : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraen-1-ol substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified). | 2.04 | 1 | 0 | retinol; vitamin A | human metabolite; mouse metabolite; plant metabolite |
| anethole anethole: an isomer of estragole; structurally similar to CAPSAICIN; has some neurological and insecticidal and skin absorption effects; RN given refers to unspecified stereoisomer. anethole : A monomethoxybenzene that is methoxybenzene substituted by a prop-1-en-1-yl group at position 4.. trans-anethole : The trans-stereoisomer of anethole. | 2.05 | 1 | 0 | anethole | flavouring agent |
| glycosides [no description available] | 2.05 | 1 | 0 | ||
| beta-ionone beta-ionone: stimulator of carotenogenesis; carotenoid inhibitor; intermediate in synthesis of Vit A; RN given refers to cpd without isomeric designation; structure. beta-ionone : An ionone that is but-3-en-2-one substituted by a 2,6,6-trimethylcyclohex-1-en-1-yl group at position 4. | 2.41 | 1 | 0 | ionone | antioxidant; fragrance |
| 1-butyl-3-methylimidazolium hexafluorophosphate 1-butyl-3-methylimidazolium hexafluorophosphate: structure in first source | 2.03 | 1 | 0 | ||
| vitamin d 2 Ergocalciferols: Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.. vitamin D2 : A vitamin D supplement and has been isolated from alfalfa. | 2.04 | 1 | 0 | hydroxy seco-steroid; seco-ergostane; vitamin D | bone density conservation agent; nutraceutical; plant metabolite; rodenticide |
| cholecalciferol Cholecalciferol: Derivative of 7-dehydroxycholesterol formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C24.. calciol : A hydroxy seco-steroid that is (5Z,7E)-9,10-secocholesta-5,7,10(19)-triene in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group. It is the inactive form of vitamin D3, being hydroxylated in the liver to calcidiol (25-hydroxyvitamin D3), which is then further hydroxylated in the kidney to give calcitriol (1,25-dihydroxyvitamin D3), the active hormone. | 2.04 | 1 | 0 | D3 vitamins; hydroxy seco-steroid; seco-cholestane; secondary alcohol; steroid hormone | geroprotector; human metabolite |
| rutin Hydroxyethylrutoside: Monohydroxyethyl derivative of rutin. Peripheral circulation stimulant used in treatment of venous disorders. | 2.04 | 1 | 0 | disaccharide derivative; quercetin O-glucoside; rutinoside; tetrahydroxyflavone | antioxidant; metabolite |
| vitamin k 1 Vitamin K 1: A family of phylloquinones that contains a ring of 2-methyl-1,4-naphthoquinone and an isoprenoid side chain. Members of this group of vitamin K 1 have only one double bond on the proximal isoprene unit. Rich sources of vitamin K 1 include green plants, algae, and photosynthetic bacteria. Vitamin K1 has antihemorrhagic and prothrombogenic activity.. phylloquinone : A member of the class of phylloquinones that consists of 1,4-naphthoquinone having methyl and phytyl groups at positions 2 and 3 respectively. The parent of the class of phylloquinones. | 2.04 | 1 | 0 | phylloquinones; vitamin K | cofactor; human metabolite; plant metabolite |
| lead Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 2.1 | 1 | 0 | carbon group element atom; elemental lead; metal atom | neurotoxin |
| sulfur Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 2.03 | 1 | 0 | chalcogen; nonmetal atom | macronutrient |
| silicon Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. | 2.06 | 1 | 0 | carbon group element atom; metalloid atom; nonmetal atom | |
| boron Boron: A trace element with the atomic symbol B, atomic number 5, and atomic weight [10.806; 10.821]. Boron-10, an isotope of boron, is used as a neutron absorber in BORON NEUTRON CAPTURE THERAPY. | 2.07 | 1 | 0 | boron group element atom; metalloid atom; nonmetal atom | micronutrient |
| vitamin a2 vitamin A2: RN given refers to cpd without isomeric designation. all-trans-3,4-didehydroretinol : A retinoid derived from 3,4-desaturation of the beta-ionone ring of all-trans-retinol. | 2.04 | 1 | 0 | retinoid; vitamin A | human xenobiotic metabolite; marine xenobiotic metabolite; mouse metabolite |
| cellulose DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 2.41 | 1 | 0 | glycoside | |
| tert-butoxide, potassium [no description available] | 2.02 | 1 | 0 | ||
| ascorbic acid Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 2.52 | 2 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |
| folic acid folcysteine: used to promote fertility in chickens. vitamin B9 : Any B-vitamin that exhibits biological activity against vitamin B9 deficiency. Vitamin B9 refers to the many forms of folic acid and its derivatives, including tetrahydrofolic acid (the active form), methyltetrahydrofolate (the primary form found in blood), methenyltetrahydrofolate, folinic acid amongst others. They are present in abundance in green leafy vegetables, citrus fruits, and animal products. Lack of vitamin B9 leads to anemia, a condition in which the body cannot produce sufficient number of red blood cells. Symptoms of vitamin B9 deficiency include fatigue, muscle weakness, and pale skin. | 2.04 | 1 | 0 | folic acids; N-acyl-amino acid | human metabolite; mouse metabolite; nutrient |
| imidacloprid imidacloprid: systemic & contact insecticide exhibiting low mammalian toxicity; structure given in first source; it is one of the neonicotinoid insecticides, which acts as an antagonist by binding to postsynaptic nicotinic receptors in the insect central nervous system. imidacloprid : An imidazolidine that is N-nitroimidazolidin-2-imine bearing a (6-chloro-3-pyridinyl)methyl substituent at position 1. | 2.21 | 1 | 0 | imidacloprid; imidazolidines; monochloropyridine | environmental contaminant; genotoxin; neonicotinoid insectide; nicotinic acetylcholine receptor agonist; xenobiotic |
| Condition | Indicated | Relationship Strength | Studies | Trials |
|---|---|---|---|---|
| Benign Neoplasms [description not available] | 0 | 2.15 | 1 | 0 |
| Neoplasms New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms. | 0 | 2.15 | 1 | 0 |
| Adenocarcinoma, Basal Cell [description not available] | 0 | 1.93 | 1 | 0 |
| Cancer of Lung [description not available] | 0 | 1.93 | 1 | 0 |
| Adenocarcinoma A malignant epithelial tumor with a glandular organization. | 0 | 1.93 | 1 | 0 |
| Lung Neoplasms Tumors or cancer of the LUNG. | 0 | 1.93 | 1 | 0 |
| Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) | 0 | 2.02 | 1 | 0 |
| Breast Cancer [description not available] | 0 | 2.03 | 1 | 0 |
| Breast Neoplasms Tumors or cancer of the human BREAST. | 0 | 2.03 | 1 | 0 |
| Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. | 0 | 2.4 | 2 | 0 |
| Kidney Diseases Pathological processes of the KIDNEY or its component tissues. | 0 | 2 | 1 | 0 |
| Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. | 0 | 2 | 1 | 0 |