Agent Name

tert-Octyl mercaptan

CAS Number

141-59-3

Formula

C8-H18-S

Major Category

Toxic Gases & Vapors

Synonyms

2,4,4-Trimethyl-2-pentanethiol; 2-Pentanethiol, 2,4,4-trimethyl-; T-Octyl mercaptan; terc. Oktanthiol [Czech]; tert-Octanethiol; tert-Octylmercaptan; UN3023; [ChemIDplus]

Category

Other Toxic Gases & Vapors

Description

Colorless liquid; [HSDB]

Sources/Uses

Used as a lubricant additive and polymer modifier; [Hawley]

Comments

A mild eye irritant; Very toxic to the CNS--can cause coma, convulsions, and death; In animal experiments, death is preceded by CNS depression and respiratory failure; [HSDB] See "THIOLS."

Exposure Assessment
TIH

Yes

Vapor Pressure

4.93 mm Hg

Lethal Concentration

LC50 (rat) = 300 mg/m3/4H

Flammability (NFPA)

2: High ambient temperature required

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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Other Information

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