γ-Butyrolactone (GBL)
- EASTCHEM
- China
- 15~20 days
- ≥99.5%
- 96-48-0
γ-Butyrolactone is an important organic synthetic raw material and an excellent solvent.

Product introduction
GBL is valued across multiple industries for its ultra-stable performance, including a low freezing point, high boiling point, and excellent solvent and dielectric properties. These features make it a reliable and versatile choice for buyers who need consistent results in demanding production environments.
At East Chemical, we supply high-purity GBL suitable for use in specialty resin manufacturing, battery production, photographic chemicals, and electrolyte formulations. Our advanced purification technology ensures very low impurity levels, helping customers achieve greater process stability and improved end-product performance.
In addition, GBL serves as a key intermediate for synthesizing various downstream derivatives. With complete certifications, stable inventory, and strong logistics coverage in Asia, we provide buyers with a secure and efficient supply chain for long-term cooperation.
Product specification
| Product Name | Gamma-Butyrolactone |
| Other Names | GBL, Butyrolactone |
| CAS NO. | 96-48-0 |
| EINECS No. | 202-509-5 |
| Molecular Formula | C4H6O2 |
| Molecular Weight | 86.09 g·mol−1 |
| Density | 1.1286 g/mL |
| Flash Point | 98 °C (208 °F) |
| Appearance | Colorless and clear liquid |
| Purity (%) | ≥99.5 |
| Moisture (%) | ≤0.05 |
| Color APHA | ≤10 |
| Package | 200KGS in DRUM/22MT ISO TANK |

Product specification
East Chemical’s high-purity Gamma-Butyrolactone (GBL) is engineered to meet the stringent requirements of advanced chemical synthesis, electronic materials, and semiconductor manufacturing.
• Ultra-Low Metal Ion Content (<10 ppb)
Our GBL maintains extremely low trace metal levels to minimize impurity interference, ensuring high precision and efficiency in sensitive chemical reactions.
• High Purity ≥99.85%
Each batch is produced through advanced purification processes, delivering exceptional purity that meets the demanding standards of pharmaceutical synthesis and high-performance resin production.
• Ultra-Low Moisture (<100 ppm)
Tightly controlled moisture levels improve stability and reduce side reactions, supporting consistent performance in moisture-sensitive applications.
• G3-Level Particle Control (≤5 particles/mL)
Our rigorous filtration and clean-fluid handling ensure ultra-low particulate levels, fully aligned with the requirements of semiconductor and electronic-grade manufacturing.
• Certified Quality & Global Compliance
GBL products come with complete REACH certification and comprehensive quality testing. We also support fast documentation for dual-use item certification to simplify compliance for international buyers.
• Reliable Supply & Custom Purification Service
With stable production capacity and strict batch consistency, East Chemical provides secure long-term supply. For customers with higher-specification needs, customized purification and tailored production services are available.
Applications
1) Solvent Applications – High Stability, High Compatibility
• Photosensitive Resin & Special Ink Solvent
GBL delivers excellent solvency and stability, making it ideal for high-performance photosensitive resins, UV-curable systems, and precision printing inks that require consistent viscosity and clean film-forming properties.
• Photography Chemicals
Widely used in dispersion, finishing, and photo-processing agents, GBL ensures uniform dispersion and enhances clarity—supporting reliable performance in imaging-related chemical formulations.
• Electrical & Energy Storage
As a high-purity electrolyte solvent for lithium batteries and capacitors, GBL provides strong dielectric properties and thermal stability. This contributes to longer cycle life, reduced side reactions, and improved device reliability.
• Binder for Casting Applications
Its excellent wetting and binding capabilities make GBL a stable and efficient casting binder, supporting precise mold formation and enhanced production quality.
2) Raw Material for Synthesis – Essential Building Block for High-Value Chemicals
GBL is a key precursor for producing several high-demand specialty chemicals:
• 2-Pyrrolidone (2P)
A critical intermediate for:
Pharmaceutical and agrochemical synthesis
Nylon-4 production
Floor polish agents
Its stable performance helps manufacturers achieve higher reaction yield and cleaner product profiles.
• N-Methyl-2-pyrrolidone (NMP)
Used extensively for:
Aromatic extraction and refining
Polyamide/polyimide coatings
Semiconductor-grade photoresist solvents
High-purity GBL ensures efficient, low-impurity conversion to NMP—critical for electronics and battery sectors.
• N-Vinyl-2-pyrrolidone (NVP)
Applied in:
PVP production
Stripping agents
Petroleum additives
GBL with low metal ions results in higher-quality NVP suitable for pharmaceutical and industrial polymerization processes.
• Polyvinylpyrrolidone (PVP)
An essential polymer widely used in:
Cosmetics – hair styling, lotions
Medical applications – tablet binders, plasma substitutes, disinfectants
Industrial uses – suspension stabilizers, dyeing aids, adhesive thickeners
Food & beverage – wine and beer clarification
High-purity GBL helps ensure PVP with excellent color stability, low odor, and strong performance in regulated industries.

How to Choose the Right Gamma-Butyrolactone (GBL) Product
1. Purity & Stability
Select GBL with high purity and minimal impurities to ensure stable performance in fine chemical synthesis, lithium battery materials, and other high-precision applications.
2. Industry Certifications
Products with complete quality and safety certifications help meet regulatory standards in pharmaceuticals, food processing, electronics, and new energy industries—reducing compliance risks for downstream use.
3. Packaging & Storage Requirements
Choose airtight, light-resistant, and moisture-proof packaging to protect GBL during transportation and long-term storage, ensuring product consistency and safety.
4. Application-Based Grade Selection
Match the grade with the intended use:
Industrial Grade GBL – Ideal for general solvent applications in chemical processing.
Electronic Grade GBL – Recommended for lithium batteries, semiconductor processes, and high-end fine chemicals requiring ultra-low metal and high cleanliness.
5. Supply Reliability & Technical Support
A supplier with a stable and flexible supply chain, strong inventory management, and professional technical support can help minimize production risks and accelerate R&D and scale-up processes.