Gamma-Butyrolactone
CAS No: 96-48-0
Gamma-Butyrolactone (GBL) is a hygroscopic, colourless liquid with a faint odour, often used as a solvent, intermediate, and reagent. It is chemically similar to lactones and is widely employed in chemical synthesis, surface treatment, and electronics cleaning.
Synonyms
GBL, 4-Butyrolactone, Dihydro-2(3H)-furanone
Formula
C₄H₆O₂
CAS No
96-48-0
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Properties
- Molecular weight: 86.09 g/mol
- Aggregation state: Liquid
- Density: 1.129 g/cm³ at 20 °C
- Boiling point: ~204 °C
- Melting point: −43.53 °C
- Refractive index: 1.4350 (20 °C)
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Key applications
- Solvent in paint removers and inks
- Intermediate in synthesis of pyrrolidones
- Cleaning agent in electronics
- Surface treatment
- Polymer production
- Electrolyte solvent in batteries
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Industries
- Chemical Manufacturing
- Electronics
- Pharmaceuticals
- Coatings and Paints
- Textile Processing
- Battery Production
- Agricultural Formulations