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Product

Gamma-butyrolactone (GBL)

Gamma-butyrolactone (GBL) is an important chemical raw material and pharmaceutical intermediate. It is the intermediate in the synthesis of N-Methylpyrrolidone, α-pyrrolidone, polyvinylpyrrolidone, α-acetyl-gamma-butyrolactone, methionine and butyric acid. 

Product Name: 1,4-butyrolactone; gamma-butyrolactone; GBL

CAS NO.: 96-48-0

Product properties: 

Molecular formula:

C4H6O2

Molecular weight:

86.09

Molecular structural formula:

Refractive index: nD20

1.434~1.440

Flash point:

98 ° C 

Boiling point:

204 ° C 

Ignition temperature:

455 ° C 

 

 

Properties:

It is colorless and transparent. It has an oily liquid similar to acetone. It is miscible with water, acetone, carbon tetrachloride and ethanol. It is decomposed in hot alkali liquor and has an aromatic odor.

 

Product Specifications: (Executive Enterprise Standard: Q/1423MCX 002-2012):

Index

Top Grade  

Appearance (normal temperature) 

Colorless or yellowish transparent liquid

Purity % ≥

99.50

Moisture % ≤

0.050

Chromaticity (platinum-cobalt color) ≤

15

Density (20 ° C) g / cm 3 

1.125—1.135

Flash point (open cup) °C ≥

98 

 

Product Usage: 

r-butyrolactone (GBL) is an important organic chemical raw material and has a wide range of applications in medicine, pesticides and petrochemicals. This product is highly soluble and is an excellent solvent for polyacrylonitrile, epoxy resin, polyvinyl butyral, polyvinyl chloride and its copolymers, and cellulose polymer. It can be used to manufacture a-pyrrolidone, N-methylpyrrolidone, polyvinylpyrrolidone and vitamin B1, cyclopropylamine and butyric acid, herbicides, plant growth agents. It is an extractant, absorbent and dispersant for olefins and alkynes. It is also an ideal antioxidant, plasticizer, dispersant, fixing agent and solvent for synthetic resins. It is a synthetic fiber spinning solvent, a coagulant, a dyeing auxiliary, and an antistatic agent. It is also a raw material for color roll coupler, ink lubricant, and the like. In the pharmaceutical industry, this product is mainly used for the synthesis of cyclopropylamine.

(1) It can be used to manufacture pyrrolidone series products. 
(2) It can be used in pharmaceutical intermediates. 
(3) It can be used in pesticide intermediates. 
(4) It can be used as an antioxidant, a plasticizer, an extractant, a coagulant, and the like. 
(5) It can be used as an electrolyte, production of capacitor, a color roll, and the like.
 

Package: 

Galvanized iron drum or plastic drum, net weight 200Kg per drum. Can also be customized according to customer requirements.

 

Toxicity and protection :

High boiling point, no vapor hazard, irritating to the skin. Have an anesthetic effect and cannot be taken orally. Operators should wear protective gear.

 

Storage and transportation methods :

Stored in a cool, ventilated warehouse, away from heat sources. When handling, lightly load and unload, keep the package intact and prevent leakage. Under the specified storage conditions, the product has a shelf life of 1 year.

Contact us

Tel:+86-18720987353
Email: [email protected] [email protected]
QQ:924074842 Wechat:18720987353
Street Address:Xingcun Road,Xinfeng Industrial Zone,Ganzhou City,Jiangxi Province

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