Agent Name

1-Chloro-2-butene

CAS Number

591-97-9

Formula

C4-H7-Cl

Major Category

Other Classes

Synonyms

2-Butenyl chloride; Crotyl chloride; gamma-Methallyl chloride; gamma-Methylallyl chloride; Krotylchlorid [Czech]; 1-Chlorobut-2-ene; 2-Butene, 1-chloro-; [ChemIDplus] alpha-Chloro-beta-butylene; [Merck Index]

Category

Halogenated Aliphatics, Unsaturated

Description

(E)- and (Z)-forms are liquids; [Merck Index] Clear colorless liquid; [Sigma-Aldrich MSDS]

Comments

An eye and respiratory tract irritant; [Merck Index] Contains 25-30% 3-Chloro-1-butene (CAS# 563-52-0) as residual from manufacture; Causes burns and lachrymation; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Harmful by ingestion; [Sigma-Aldrich MSDS] See "3-Chloro-1-butene."

Exposure Assessment
Vapor Pressure

69 mm Hg

Lethal Concentration

LC50 (rat) = 16,300 mg/m3/4hr

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Flammable liquid, corrosive, n.o.s."

Adverse Effects
Lacrimator

Yes

Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Other Information

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