γ-Butyrolactone
γ-Butyrolactone (CAS 96-48-0, C4H6O2) is a hygroscopic, colourless, oily liquid with a faint caramel odour. This versatile organic compound, with a molecular weight of 86.09 g/mol, serves as a key intermediate in chemical synthesis. It is particularly noted for its role in introducing 3-carboxypropyl side chains and as a component in electrolyte solutions for batteries and capacitors.
- IUPAC
- γ-Hydroxybutyric acid lactone,4-Hydroxybutyric acid lactone,GBL
- Synonyms
- GBLgamma-hydroxybutyric acid lactone4-Hydroxybutyric acid lactone
Chemical Synthesis Intermediate
γ-Butyrolactone is widely used in organic synthesis for the introduction of 3-carboxypropyl side chains. Its reactive lactone ring allows for various transformations, making it a valuable building block.
Electrolyte Component
This compound finds application as a component in electrolyte solutions for advanced energy storage devices. It contributes to the performance and stability of batteries and capacitors.
Solvent Applications
Due to its polar aprotic nature and high boiling point, γ-Butyrolactone can be employed as a solvent in specific industrial processes and formulations where such properties are beneficial.
| Molecular weight | 86.09 |
|---|---|
| Empirical formula | C4H6O2 |
| Assay | ≥99.0% (GC) |
| Grade | ReagentPlus® |
| Boiling point | 204-205 °C(lit.) |
| Density | 1.12 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.436(lit.)n20/D 1.437 |
| Melting point | −45 °C(lit.) |
| Vapour pressure | 1.5 mmHg (20 °C) |
| Vapour density | 3 (vs air) |
| Autoignition temp | 851 °F |
| Application | For the introduction of 3-carboxypropyl side chain.1 Used as a component of electrolyte solutions in batteries and capacitors.2 |
Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
- H336May cause drowsiness or dizziness
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 98 °C / 208.4 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41-67 |
| Safety statements (S) | 26-39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 16 % |
|---|---|
| Organoleptic | caramel |
| Allergen | no known allergens |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is γ-Butyrolactone used for?
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γ-Butyrolactone is used for the introduction of 3-carboxypropyl side chains and as a component in electrolyte solutions for batteries and capacitors.
What is the CAS number and formula for γ-Butyrolactone?
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The CAS number is 96-48-0 and the chemical formula is C4H6O2.
What grade and purity does Tech Serve Solutions supply for γ-Butyrolactone?
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Tech Serve Solutions supplies γ-Butyrolactone in ReagentPlus® grade with an assay of ≥99.0% (GC). TSS does not represent this product as USP, BP, or EP grade.
How should γ-Butyrolactone be handled safely?
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γ-Butyrolactone is classified as dangerous. It is harmful if swallowed (H302), causes serious eye damage (H318), and may cause drowsiness or dizziness (H336). Always wear appropriate personal protective equipment, including eyeshields, gloves, and use in a well-ventilated area. Consult the Safety Data Sheet for comprehensive handling information.
Is γ-Butyrolactone a controlled substance?
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Information regarding controlled substance status can vary by jurisdiction. Customers are advised to consult local regulations. Tech Serve Solutions provides the chemical for legitimate research and industrial purposes.
How is γ-Butyrolactone packed and shipped?
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γ-Butyrolactone is carefully packed according to international shipping regulations to ensure safe transport. Tech Serve Solutions is a global supplier and exporter.
How can I request a sample or quote for γ-Butyrolactone?
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To request a sample or a quotation, please contact our sales department through the website or by calling us directly. Our team will assist you with your specific requirements.
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