butyl mercaptan

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bu´tyl mer`cap´tan

n.1.(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.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
(5) Researchers from the California Environmental Protection Agency had also previously hypothesized that the release of butyl mercaptan, a known degradation product of cotton defoliants, may have contributed to an increased proportion of respiratory-related mortality in cotton-growing areas of the San Joaquin Valley.
Not that you'd care alter being doused, but skunk spray is, technically speaking, a musk made mostly of butyl mercaptan, a highly smelly sulfur compound that also is used in industrial applications.
To be fair to the lads, their speciality is a cocktail of 80% tertiary butyl mercaptan and 20% dimethyl sulphide.