C4H6O2
86.09 g/mol
Industrial ChemicalDanger
Gamma-Butyrolactone
CAS96-48-0EC202-509-5
Category
Industrial Chemical
Compound Class
Ester
Primary Use
Chemical solvent and intermediate
Gamma-Butyrolactone (GBL) is an organic compound that is a hygroscopic, colorless liquid miscible with water and having a pleasant odor. It is the simplest 4-carbon lactone and is primarily used as a chemical solvent and intermediate in industrial processes.
Chemical solventChemical intermediate
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Controlled substances
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CAS 96-48-0
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Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H331Toxic if inhaled
H336May cause drowsiness or dizziness
H371May cause damage to organs
Customs Tariff Classification
The international HS code for Gamma-Butyrolactone (CAS 96-48-0) is 2932.20, 3824.99.
HS code (international, 6-digit)
2932.20, 3824.99
EU CN code (8-digit)
2932 20 20, 3824 99 92
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
oxolan-2-one
InChIKey
YEJRWHAVMIAJKC-UHFFFAOYSA-N
SMILES
C1CC(=O)OC1
Synonyms (79)
- BLO
- BLON
- GBL
- .alpha.-Butyrolactone
- .gamma.-6480
- 1,2-Butanolide
- 1,4-Butanolide
- 1,4-Butyrolactone
- 1,4-Lactone
- 1-Oxacyclopentan-2-one
- 1-Oxacyclopentane-2-one
- 2(3H)-Furanone, dihydro-
- 2(3H)-dihydrofuranone
- 2,3,4,5-Tetrahydro-2-furanone
- 2-Oxolanone
- 2-Oxotetrahydrofuran
- 3-Hydroxybutyric acid lactone
- 4,5-Dihydro-2(3H)-furanone
- 4-Butanolide
- 4-Butyrolactone
- 4-Deoxytetronate
- 4-Deoxytetronic acid
- 4-Hydroxybutyric acid lactone
- 4-butanolactone
- Agrisynth BLO
- BUTYROLACTONE
- Blue Nitro
- Butyric acid lactone
- Butyric acid, .gamma.-lactone
- Butyryl lactone
- Butyrylactone
- Caswell No. 132B
- Dihydro-(3 H)-furan-2-one
- Dihydro-2(3H)-furanone
- Dynasolve 699 (Salt/Mix)
- Furanone, tetrahydro 2
- GH Revitalizer
- Gammabutyrolactone (GBL)
- No Go
- Paint Clean G
- Remforce
- Revivarant
- dihydrofuran-2(3H)-one
- g-Butalactone
- g-Butyrolactone
- g-Butyryllactone
- g-Hydroxybutyric acid lactone
- gamma-BL
- gamma-Butalactone
- gamma-Butanolactone
- gamma-Butyrolactone
- gamma-Butyrolactone (natural)
- gamma-Butyryllactone
- gamma-Hydroxybutyrolactone
- gamma-butyrolacton
- tetrahydrofuranone