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n ethyl pyrrolidone
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Product name: Gamma-butyrolactone (GBL)
Chemical name: 4-hydroxybutyric acid gamma-lactone
CAS No: 96-48-0
Chemical Formular: C4H6O2
Molecular weight: 86.09
Colorless and transparent oily liquid with a smell similar to that of acetone, the boiling point is 204 . It can dissolve mutually with water, acetone, benzene, carbon tetrachloride and alcohol at any proportion.
r-butyrolactone is one kind of important fine chemical intermediate, is also one kind of high boiling point solvent, namely, ideal antioxidant, plasticizer, extracting agent, absorbent, dispersing agent, solid stain, Coagulation reagent. It has high boiling point, high dissolving power, good electrical conductivity and the stability etc. It is widely applied to the medicine, the agricultural chemicals, the synthetic resin that helps the medicinal preparation, food feed additive, the dye pigment and electronic etc.
(1) Synthesis pyrrolidone series product. May use in to make a-pyrrolidone, N- methyl pyrrolidone, N-ethyl pyrrolidone, the polyethylene pyrrolidone etc.
(2) Photo chemistry industry extracting agent. Used to absorb the alkyne to help the medicinal preparation, the aromatic hydrocarbon, the alcohol type and the ring-like ether extracting agent, the oil dope;
(3) Synthetic fiber spinning solvent, coagulation Reagent, dyeing assistants, Anti- static electricity Reagent. Used in the propylene nitrile textile fiber spinning solvent and the coagulation solvent, the cellulose ester wool, the nylon dyeing assistants, the nylon fibre Anti- static electricity Reagent;
(4) Synthetic resin ideal antioxidant, plasticizer, dispersing agent, solid stain and solvent. Served as the polypropylene, the polyvinyl-chloride, the polystyrene solvent, the polyvinyl-fluoride dispersing agent, many kinds of resins dyeing modifier, oxidation inhibitor, plasticizer, etc;
(5) Also is to produce the printing ink lubricant and the rust remover etc.
Reagent Grade: In the farming and forestry industry, it is used to produce the plant growth medicinal preparation, the weed killer, the synthesis pesticide, the feed additive and so on the intermediate.
Electronic Grade: it serve as the anesthetic and the sedative in the medicine that treats the epilepsy, the cerebral hemorrhage and the hypertension, X beam radiography medicinal preparation. It may synthesize antibacterial new medicine cyclopropane Sha Xing and the interferon , etc. Also is used in vitamin B1, the link propylamine and the butyric acid and other intermediates etc.
In addition, it may also serve as the battery solution, the capacitor manufacture, the color film etc.
Item Reagent Class Electric Class Industrial Class
Purity % 99.99Min 99.90Min 99.5 Min
Moisture% 0.001Max 0.03 Max 0.05 Max
Color HaZen 10 Max 15 Max 20 Max
Density (D420g/ml) 1.125~1.135 1.125~1.135 1.125~1.135
Refractivity(ND20) 1.435~1.438 1.435~1.438 1.435~1.438
In galvanized iron or plastic drums of 230kg(N. W. ) , or as customers' design
1x20' FCL: 80Drums.