Agent Name

beta-Butyrolactone

CAS Number

3068-88-0

Formula

C4-H6-O2

Major Category

Other Classes

Synonyms

3-Hydroxybutanoic acid, beta-lactone; 3-Hydroxybutyric acid lactone; 4-Methyl-2-oxetanone; Hydroxybutyric acid lactone; beta-Butyrolakton [Czech]; 2-Oxetanone, 4-methyl-; 4-Methyloxetan-2-one; [ChemIDplus] 2-Oxetanone, 4-methyl-, (+/-); beta-Methyl-beta-propiolactone; beta-Methylpropiolactone; Butanoic acid, 3-hydroxy-, beta-lactone; Butyric acid, 3-hydroxy-, beta-lactone; [CAMEO] UN1993

Category

Lactones

Description

Clear colorless liquid with an odor like acetone; [CAMEO]

Comments

Highly flammable; A skin, eye, mucous membrane, and upper respiratory tract irritant; Harmful by ingestion, inhalation, and skin absorption; [CAMEO] A moderate skin irritant; [RTECS] A skin and strong eye irritant; Suspected carcinogen; [Sigma-Aldrich MSDS] See "Butyrolactone."

Exposure Assessment
Vapor Pressure

1.65 mm Hg

Explanatory Notes

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

Adverse Effects
Neurotoxin

CNS Solvent Syndrome

IARC Carcinogen

Possible Carcinogen

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: