'butyl mercaptan' definitions:

Definition of 'butyl mercaptan'

From: GCIDE

butyl mercaptan \bu"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]