mercaptan odor

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• Mercaptan — Mer*cap tan, n. [F., fr. NL. mercurius mercury + L. captans, p. pr. of captare to seize, v. intens. fr. capere.] (Chem.) Any one of series of compounds having an { SH} radical attached to a carbon atom, also considered as hydrosulphides of… …   The Collaborative International Dictionary of English

• Mercaptan —   An organic chemical compound that has a sulfur like odor that is added to natural gas before distribution to the consumer, to give it a distinct, unpleasant odor (smells like rotten eggs). This serves as a safety device by allowing it to be… …   Energy terms

• mercaptan — /meuhr kap tan/, n. Chem. any of a class of sulfur containing compounds having the type formula RSH, in which R represents a radical, and having an extremely offensive, garlicky odor. [1825 35; < L, short for phrase corpus mercurium captans body… …   Universalium

• mercaptan — 1. A class of substances in which the oxygen of an alcohol has been replaced by sulfur ( e.g., cysteine). SYN: thioalcohol. See thiol. 2. In dentistry, a class of elastic impression compounds sometimes referred to as …   Medical dictionary

• Grapefruit mercaptan — Chembox new Name = Grapefruit mercaptan ImageFileL1 = Grapefruit mercaptan 2D skeletal vertical.png ImageSizeL1 = 100px ImageNameL1 = Grapefruit mercaptan ImageFileR1 = Grapefruit mercaptan 3D balls.png ImageSizeR1 = 150px ImageNameR1 =… …   Wikipedia

• ethyl mercaptan — noun : a colorless flammable volatile liquid compound C2H5SH of disagreeable odor used as a warning agent in fuel gas systems; ethane thiol * * * Chem. mercaptan. * * * ethyl mercaptan, a compound with an odor like that of garlic, sometimes used… …   Useful english dictionary

• butyl mercaptan — u tyl mer*cap tan, n. (Chem.) A volatile liquid, {C4H9.SH}, having a strong odor like that of a skunk; also called {butanethiol}. All three isomers, normal, sec , and tert butanethiol possess the skunk odor. [PJC] …   The Collaborative International Dictionary of English

• methyl mercaptan — n a pungent gas CH4S produced in the intestine by the decomposition of certain proteins and responsible for the characteristic odor of fetor hepaticus …   Medical dictionary

• ethyl mercaptan — a thioalcohol which has a foul odor and contributes to the odor of feces …   Medical dictionary

• allyl mercaptan — Chem. a colorless liquid, C3H6S, having a strong, garlicky odor, used in the manufacture of pharmaceuticals. * * * …   Universalium

• allyl mercaptan — Chem. a colorless liquid, C3H6S, having a strong, garlicky odor, used in the manufacture of pharmaceuticals …   Useful english dictionary