Agent Name

Butyrolactone

CAS Number

96-48-0

Formula

C4-H6-O2

Major Category

Other Classes

Synonyms

1,2-Butanolide; 1,4-Butanolide; 2(3H)-Furanone, dihydro-; 2-Oxolanone; 3-Hydroxybutyric acid lactone; 4-Butanolide; 4-Butyrolactone; 4-Deoxytetronic acid; 4-Hydroxybutanoic acid lactone; 4-Hydroxybutyric acid lactone; 6480; Agrisynth BLO; BLO; BLON; Butanoic acid, 4-hydroxy-, gamma-lactone; Butyric acid lactone; Butyric acid, 4-hydroxy-, gamma-lactone; Butyrolactone; Butyryl lactone; Butyrylactone; C-1070; Dihydro-2(3H)-furanone; Dihydro-2-furanone; GBL; No Go; Tetrahydro-2-furanone; gamma-6480; gamma-BL; gamma-Butyrolactone (natural); gamma-Hydroxybutyric acid cyclic ester; gamma-Hydroxybutyric acid lactone; gamma-Hydroxybutyrolactone; [ChemIDplus]

Category

Lactones

Description

Colorless, oily liquid with a pleasant odor; [CAMEO]

Sources/Uses

Used as a chemical intermediate, nematicide, and paint and nail polish remover; Also used as a solvent for polymers, inks, cosmetics, and drugs; [HSDB]

Comments

Inhalation of butyrolactone produces anesthesia in experimental animals; [HSDB] An eye irritant; Inhalation of high concentrations can cause CNS depression; [ICSC]

Exposure Assessment
Vapor Pressure

0.45 mm Hg

Explanatory Notes

Flash point = 209 deg F;

Adverse Effects
Neurotoxin

CNS Solvent Syndrome

IARC Carcinogen

Not Classifiable

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