gamma-Butyrolactone (GBL)
CAS No.: 96-48-0
Other Name:1,4-Butyrolactone, GBL, γ-BLO, Butyrolactone Solvent
Molecular Formula:C4H6O2
Molecular Weight: 86.09
Grades: Electronic Grade , Industrial Grade , Common Grade
Capacity: 40,000MT

Physical Properties of gamma-Butyrolactone (GBL)
GLB is a colorless oil liquid, miscible with water, soluble in methanol, ethanol, ether, benzene and other organic solvents. Density: 1.12g/cm3,melting point: -44℃, boiling point: 206℃ ,flash point: 99.2℃.
Acute toxicity: Oral – rat LD50:1540 mg/kg; Orally – Mouse LD50:1720 mg/kg
gamma-Butyrolactone (GBL) Uses
Gamma-butyllactone(GBL) is a high boiling point solvent with strong solubility, non-toxic, safe and convenient management.
- It is used as extraction agent of butadiene, aromatics and high grade grease in petroleum processing;
- In the chemical fiber industry GBL can be used as the spinning solvent of acrylonitrile fiber, it is also wool, nylon, acrylonitrile and other fibers dyeing aid.
- In organic synthesis, GBL also has a wide range of uses, it is the raw materials of synthesising α-pyrrolidone, n-methylpyrrolidone, vinylpyrrolidone, acetyl – gammatolactone, cyclopropylamine .
- It is also the intermediate of synthetic insecticides, herbicides, the drug naoferkang, cyclopropylfloxacin, vitamin B1, chlorophyll and so on. Also used in the synthesis of plant growth regulator.
- It can be used in the production of cyclopropylamine, pyrrolidone and other drugs, but also industrial solvent, diluent, curing agent, etc.
- It is also used as stationary liquid for gas chromatography, intermediates and solvents for synthesis of butyric acid and succinic acid.

- Specification
- Package
- Storage Condition
QUALITY STANDARD | ||||
Items | Indexes | |||
Electronic Grade | Industrial Grade | Common Grade | ||
Purity/(wt%)≥ | 99.9 | 99.8 | 99.5 | |
Moisture/(wt%)≤ | 0.02 | 0.05 | 0.05 | |
Chroma (Hazen)≤ | 10 | 20 | 30 | |
1,4-Butanediol/(wt%)≤ | 0.03 | 0.05 | —— | |
Tetrahydrofuran/(wt%)≤ | 0.02 | 0.05 | —— | |
Acid Value
(As butyric acid,wt%) ≤ |
0.03 | 0.05 | —— | |
Density (D425 ) | 1.125~1.130 | |||
Refractive Index (ND25) | 1.436~1.437 | |||
Anion | Cl-/(mg/kg) ≤ | 0.30 | —— | —— |
SO42-/(mg/kg)≤ | 1.00 | —— | —— | |
NO3- /(mg/kg) ≤ | 1.00 | —— | —— | |
Metal Ion | Fe/(mg/kg) ≤ | 0.05 | —— | —— |
Cu/(mg/kg)≤ | 0.05 | —— | —— | |
Zn/(mg/kg) ≤ | 0.05 | —— | —— | |
Pb/(mg/kg)≤ | 0.05 | —— | —— | |
Na/(mg/kg≤ | 0.50 | —— | —— | |
K/(mg/kg)≤ | 0.50 | —— | —— |
200KG Plastic drum/Galvanized iron drum
1000kg IBC drum
ISO Tank
Store in a cool, ventilated warehouse. Keep away from fire and heat. It should be stored separately from oxidants, acids, alkalis and edible chemicals, and should not be mixed.

GBL , also called 1,4-Butyrolactone, GBL, γ-BLO, Butyrolactone Solvent; colorless transparent liquid, used for the production of cyclopropylamine, pyrrolidone and other drugs, also used as an industrial solvent, diluent, curing agent, etc.
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Professionchem is your trusted partener in China to supply GBL.
1,4-butanediol is the raw materials for the production of GBL .