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). | 2.04 | 1 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
ether
Ether: A mobile, very volatile, highly flammable liquid used as an inhalation anesthetic and as a solvent for waxes, fats, oils, perfumes, alkaloids, and gums. It is mildly irritating to skin and mucous membranes.. ether : An organooxygen compound with formula ROR, where R is not hydrogen.. diethyl ether : An ether in which the oxygen atom is linked to two ethyl groups. | 1.96 | 1 | 0 | ether;
volatile organic compound | inhalation anaesthetic;
non-polar solvent;
refrigerant |
2-acetylaminofluorene
2-Acetylaminofluorene: A hepatic carcinogen whose mechanism of activation involves N-hydroxylation to the aryl hydroxamic acid followed by enzymatic sulfonation to sulfoxyfluorenylacetamide. It is used to study the carcinogenicity and mutagenicity of aromatic amines. | 1.96 | 1 | 0 | 2-acetamidofluorenes | antimitotic;
carcinogenic agent;
epitope;
mutagen |
propane
Propane: A three carbon alkane with the formula H3CCH2CH3. | 1.96 | 1 | 0 | alkane;
gas molecular entity | food propellant |
propyleneimine
[no description available] | 1.96 | 1 | 0 | aziridines | |
acrylamide
[no description available] | 7 | 1 | 0 | acrylamides;
N-acylammonia;
primary carboxamide | alkylating agent;
carcinogenic agent;
Maillard reaction product;
mutagen;
neurotoxin |
n-vinyl-2-pyrrolidinone
N-vinyl-2-pyrrolidinone: monomer of POVIDONE; structure given in first source | 1.96 | 1 | 0 | pyrrolidin-2-ones | |
alpha-chlorohydrin
alpha-Chlorohydrin: A chlorinated PROPANEDIOL with antifertility activity in males used as a chemosterilant in rodents.. 3-chloropropane-1,2-diol : A chloropropane-1,2-diol that is propane-1,2-diol substituted by a chloro group at position 3. | 1.96 | 1 | 0 | chloropropane-1,2-diol | |
ethylene carbonate
[no description available] | 2.4 | 2 | 0 | carbonate ester | |
vinyl ether
vinyl ether: major descriptor (65-85); on-line search VINYL COMPOUNDS (66-85); Index Medicus search VINYL ETHER (65-85) | 1.96 | 1 | 0 | ether | |
thiophenes
Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.39 | 2 | 0 | mancude organic heteromonocyclic parent;
monocyclic heteroarene;
thiophenes;
volatile organic compound | non-polar solvent |
n,n'-methylenebisacrylamide
[no description available] | 2.38 | 2 | 0 | | |
bis(2-chloroethyl)ether
bis(2-chloroethyl)ether: structure | 1.96 | 1 | 0 | ether | |
methyl carbonate
methyl carbonate: RN given refers to unlabeled parent cpd; structure. dimethyl carbonate : A carbonate ester that is carbonic acid in which both hydrogens are replaced by methyl groups. A flammable, colourless liquid (m.p. 2-4degreeC, b.p. 90degreeC) with a characterstic ester-like odour, it is used as a 'green' methylating agent and as a solvent. | 2.15 | 1 | 0 | carbonate ester | reagent;
solvent |
hydroxyethyl methacrylate
hydroxyethyl methacrylate: many of cited refs are for gel which refers to polymeric form of above cpd: POLYHYDROXYETHYL METHACRYLATE. 2-hydroxyethyl methacrylate : An enoate ester that is the monomethacryloyl derivative of ethylene glycol. | 7.02 | 1 | 0 | enoate ester | allergen;
polymerisation monomer |
1,3-propane sultone
1,3-propane sultone: sultone is usually defined as a derivative of 1,8-naphtholsulfonic acid; structure | 1.96 | 1 | 0 | sultone | |
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. | 2.41 | 1 | 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. | 2.04 | 1 | 0 | iron group element atom;
platinum group metal atom | |
sodium bisulfide
sodium bisulfide: RN given refers to sodium sulfide (Na(SH)); see also record for sodium sulfide (Na2S) | 1.96 | 1 | 0 | | |
alkenes
[no description available] | 2.04 | 1 | 0 | | |
sodium azide
Sodium Azide: A cytochrome oxidase inhibitor which is a nitridizing agent and an inhibitor of terminal oxidation. (From Merck Index, 12th ed). sodium azide : The sodium salt of hydrogen azide (hydrazoic acid). | 1.96 | 1 | 0 | inorganic sodium salt | antibacterial agent;
explosive;
mitochondrial respiratory-chain inhibitor;
mutagen |
azides
Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 1.96 | 1 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
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). | 2.04 | 1 | 0 | carbene;
methanediyl | |
boron difluoride
boron difluoride: structure in first source | 2.25 | 1 | 0 | | |
ethylenethiourea
Ethylenethiourea: A degradation product of ethylenebis(dithiocarbamate) fungicides. It has been found to be carcinogenic and to cause THYROID hyperplasia. | 1.96 | 1 | 0 | imidazolidines | |
thiosemicarbazide
thiosemicarbazide: glutamate decarboxylase antagonist; structure given in first source. hydrazinecarbothioamide : A member of the class of thioureas that is thiourea in which a hydrogen of one of the amino groups is replaced by an amino group. | 1.96 | 1 | 0 | hydrazines;
thiocarboxamide;
thioureas | |
rubeanic acid
rubeanic acid: indicator for copper, cobalt, & nickel; structure | 1.96 | 1 | 0 | | |
lithium
Lithium: An element in the alkali metals family. It has the atomic symbol Li, atomic number 3, and atomic weight [6.938; 6.997]. Salts of lithium are used in treating BIPOLAR DISORDER. | 2.15 | 1 | 0 | alkali metal atom | |
alpha-chymotrypsin
Chymotrypsin: A serine endopeptidase secreted by the pancreas as its zymogen, CHYMOTRYPSINOGEN and carried in the pancreatic juice to the duodenum where it is activated by TRYPSIN. It selectively cleaves aromatic amino acids on the carboxyl side. | 1.96 | 1 | 0 | | |
di-allate
di-allate: RN given refers to cpd without isomeric designation; structure | 1.96 | 1 | 0 | tertiary amine | |
4,4-difluoro-4-bora-3a,4a-diaza-s-indacene
[no description available] | 2.25 | 1 | 0 | BODIPY compound | |