Isopropyl mercaptan
Agent Name
Isopropyl mercaptan
CAS Number
75-33-2
Formula
C3-H8-S
Major Category
Other Classes
Synonyms
1-Methylethanethiol; 2-Mercaptopropane; 2-Propanethiol; 2-Propylmercaptan; Isopropanethiol; Isopropylmercaptan; Isopropylthiol; [ChemIDplus] UN2402
Category
Thiols
Description
Liquid with a very unpleasant odor; [Hawley] Colorless liquid with a strong skunk odor; [HSDB]
Sources/Uses
Used as standard for petroleum analysis; as intermediate; as natural gas odorant; [HSDB]
Comments
Highly flammable liquid that poses a dangerous fire risk; [Hawley] A skin, eye, nose, and throat irritant; [HSDB] A skin and eye irritant; "Inhalation causes loss of sense of smell, muscular weakness, convulsions, respiratory paralysis." [CAMEO] A skin and eye irritant; [eChemPortal: ERMA] An irritant; [MSDSonline] See "THIOLS."
Biomedical References
Exposure Assessment
Vapor Pressure
277 mm Hg
Lethal Concentration
LC50 (rat) = 130,000 mg/m3/1h
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Propanethiols." VP from ChemIDplus;
Adverse Effects
Other Poison
Chemical Asphyxiant
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.