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."

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."

Adverse Effects
Other Poison

Chemical Asphyxiant

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.