2019年8月27日星期二

Pyrrolidone series prices fall slightly

During July,2019.


The pyrrolidone market's price is little lower than before.
The price is stable now.
Especially 2-pyrrolidone and N-methyl pyrrolidone prices.




2-Pyrrolidone CAS No.616-45-5
Physical and chemical properties: colorless or yellowish liquid or crystal. The temperature of 25 ° C, the boiling point of 245 ° C. Soluble in water, ethanol, ether. For organic synthesis (such as 1-vinyl-α-pyrrolidone, etc.), also used as a solvent. It is miscible with water, alcohol, ether, chloroform benzene, ethyl acetate and carbon disulfide, and is insoluble in petroleum ether.
Product use: α-pyrrolidone is a high boiling point and strong polar solvent. It is also an important organic synthesis raw material and pharmaceutical intermediate. It has a wide range of applications in medicine, chemical industry and electronics. Used in organic synthesis to produce vinyl pyrrolidone, nylon-4, 4-aminobutyric acid and its derivatives; for the production of pharmaceutical intermediates such as brain rehabilitation, vitamins, progesterone, strong gluten, and aminocarboxylic acid Etc.; a solvent used for synthesizing resins, pesticides, polyols, inks, and iodine. It can also be used as a plasticizer for resins, an extractant for aromatic compounds, kerosene, rosin, decolorizer for fatty acids, and electronic cleaning


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