| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
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). | 2.02 | 1 | 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. | 2.04 | 1 | 0 | halide anion;
monoatomic chlorine | cofactor;
Escherichia coli metabolite;
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. | 2.02 | 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 |
sulfuric acid
sulfuric acid : A sulfur oxoacid that consists of two oxo and two hydroxy groups joined covalently to a central sulfur atom. | 7.46 | 2 | 0 | sulfur oxoacid | catalyst |
phencyclidine
Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust.. phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects. | 2.75 | 3 | 0 | benzenes;
piperidines | anaesthetic;
neurotoxin;
NMDA receptor antagonist;
psychotropic drug |
phenylhydrazine
[no description available] | 2.04 | 1 | 0 | phenylhydrazines | xenobiotic |
limestone
Calcium Carbonate: Carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as a phosphate buffer in hemodialysis patients and as a calcium supplement.. calcium carbonate : A calcium salt with formula CCaO3. | 2.45 | 2 | 0 | calcium salt;
carbonate salt;
inorganic calcium salt;
one-carbon compound | antacid;
fertilizer;
food colouring;
food firming agent |
dodecylamine
dodecylamine: RN given refers to parent cpd | 2.03 | 1 | 0 | primary aliphatic amine | |
sodium hydroxide
Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed) | 2.15 | 1 | 0 | alkali metal hydroxide | |
lead sulfide
lead sulfide: surma refers to fine powder-like mascara, applied to conjunctival surfaces of eyes; originally contained antimony sulfide (derived from Urdu word for antimony); recently lead sulfide has been used due to scarcity of antimony; RN given refers to cpd with MF of Pb-S; galena is the principal ore of lead sulfide. Black kohl stone and red-brown kohl stone are widely used in eye cosmetics in the Middle East, Asia and Africa | 2.74 | 3 | 0 | | |
hydrocerussite
hydrocerussite: a minor lead ore | 2.08 | 1 | 0 | | |
carbonates
Carbonates: Salts or ions of the theoretical carbonic acid, containing the radical CO2(3-). Carbonates are readily decomposed by acids. The carbonates of the alkali metals are water-soluble; all others are insoluble. (From Grant & Hackh's Chemical Dictionary, 5th ed). carbonates : Organooxygen compounds that are salts or esters of carbonic acid, H2CO3. | 2.46 | 2 | 0 | carbon oxoanion | |
silver
Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA. | 2.1 | 1 | 0 | copper group element atom;
elemental silver | Escherichia coli metabolite |
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. | 2.06 | 1 | 0 | titanium group element atom | |
cadmium
Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 1.98 | 1 | 0 | cadmium molecular entity;
zinc group element atom | |
cerium
Cerium: An element of the rare earth family of metals. It has the atomic symbol Ce, atomic number 58, and atomic weight 140.12. Cerium is a malleable metal used in industrial applications. | 2.02 | 1 | 0 | f-block element atom;
lanthanoid atom | |
mercuric chloride
Mercuric Chloride: Mercury chloride (HgCl2). A highly toxic compound that volatizes slightly at ordinary temperature and appreciably at 100 degrees C. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant.. mercury dichloride : A mercury coordination entity made up of linear triatomic molecules in which a mercury atom is bonded to two chlorines. Water-soluble, it is highly toxic. Once used in a wide variety of applications, including preserving wood and anatomical specimens, embalming and disinfecting, as an intensifier in photography, as a mordant for rabbit and beaver furs, and freeing gold from lead, its use has markedly declined as less toxic alternatives have been developed. | 1.98 | 1 | 0 | mercury coordination entity | sensitiser |
ferrous sulfate
ferrous sulfate: Ferro-Gradumet is ferrous sulfate in controlled release form; RN given refers to Fe(+2)[1:1] salt. iron(2+) sulfate (anhydrous) : A compound of iron and sulfate in which the ratio of iron(2+) to sulfate ions is 1:1. Various hydrates occur naturally - most commonly the heptahydrate, which loses water to form the tetrahydrate at 57degreeC and the monohydrate at 65degreeC. | 1.92 | 1 | 0 | iron molecular entity;
metal sulfate | reducing agent |
barium sulfate
Barium Sulfate: A compound used as an x-ray contrast medium that occurs in nature as the mineral barite. It is also used in various manufacturing applications and mixed into heavy concrete to serve as a radiation shield.. barium sulfate : A metal sulfate with formula BaO4S. Virtually insoluble in water at room temperature, it is mostly used as a component in oil well drilling fluid it occurs naturally as the mineral barite. | 2.02 | 1 | 0 | barium salt;
inorganic barium salt;
metal sulfate | radioopaque medium |
lead chloride
lead chloride: RN in 9th CI Form Index for cotunnite: 14639-87-3; RN given refers to cpd with MF of Pb-Cl2. lead(II) chloride : An inorganic chloride consisting of two chlorine atoms covalently bound to a central lead atom. | 2.68 | 3 | 0 | inorganic chloride;
lead coordination entity | |
lead chromate
lead chromate: RN given refers to unspecified lead chromate. lead chromate : A chromium coordination entity comprising chromate and lead(2+) ions in a 1:1 ratio | 7.08 | 1 | 0 | chromium coordination entity;
lead coordination entity | carcinogenic agent;
nephrotoxin;
neurotoxin |
chromates
Chromates: Salts of chromic acid containing the CrO(2-)4 radical.. chromate(2-) : A chromium oxoanion resulting from the removal of two protons from chromic acid. | 2.08 | 1 | 0 | chromium oxoanion;
divalent inorganic anion | oxidising agent |
copper sulfate
Copper Sulfate: A sulfate salt of copper. It is a potent emetic and is used as an antidote for poisoning by phosphorus. It also can be used to prevent the growth of algae.. copper(II) sulfate : A metal sulfate compound having copper(2+) as the metal ion. | 1.98 | 1 | 0 | metal sulfate | emetic;
fertilizer;
sensitiser |
calcium sulfate
Calcium Sulfate: A calcium salt that is used for a variety of purposes including: building materials, as a desiccant, in dentistry as an impression material, cast, or die, and in medicine for immobilizing casts and as a tablet excipient. It exists in various forms and states of hydration. Plaster of Paris is a mixture of powdered and heat-treated gypsum. | 2.03 | 1 | 0 | calcium salt;
inorganic calcium salt | |
mercuric sulfate
mercuric sulfate: RN given refers to cpd with MF of HgSO4 | 2.02 | 1 | 0 | | |
cadmium sulfate
cadmium sulfate: RN given refers to cpd with MF of Cd-H2SO4 | 1.98 | 1 | 0 | cadmium salt | |
cobalt sulfate
cobalt sulfate: RN given refers to parent cpd. cobalt(2+) sulfate : A compound of cobalt and sulfate in which the ratio of cobalt (+2 oxidation state) to sulfate is 1:1. | 1.98 | 1 | 0 | metal sulfate | |
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. | 2.06 | 1 | 0 | titanium oxides | food colouring |
cobalt
Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 1.98 | 1 | 0 | cobalt group element atom;
metal allergen | micronutrient |
cerium sulfate
[no description available] | 2.02 | 1 | 0 | | |
chlorite
[no description available] | 2.04 | 1 | 0 | chlorine oxoanion;
monovalent inorganic anion | |
sodium sulfide
sodium sulfide: see also record for sodium bisulfide; actisoufre is the sodium sulfide component of sulfur-containing thermal springs which is also found in Saccharomyces cerevisiae | 2.1 | 1 | 0 | | |
ferric hydroxide
ferric hydroxide: additional RNs for iron hydroxide oxide: 11115-92-7, 20344-49-4; RN for unspecified iron hydroxide: 11113-66-9 | 2.03 | 1 | 0 | | |
thiourea
Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 2.04 | 1 | 0 | one-carbon compound;
thioureas;
ureas | antioxidant;
chromophore |
lead
Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 4.79 | 31 | 0 | carbon group element atom;
elemental lead;
metal atom | neurotoxin |
tin
[no description available] | 2.11 | 1 | 0 | carbon group element atom;
elemental tin;
metal atom | micronutrient |
pyromorphite
[no description available] | 2.49 | 2 | 0 | | |
jarosite
[no description available] | 2.1 | 1 | 0 | | |