显示标签为“N-methyl pyrrolidone”的博文。显示所有博文
显示标签为“N-methyl pyrrolidone”的博文。显示所有博文

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


HEFEI TENGCHAO CHEMICAL MATERIAL CO.,LTD

2019年4月22日星期一

CPhI North America 2019 is comming

For nearly 30 years, CPhI has organized the world’s most influential pharmaceutical events. Several annual gatherings comprise our iconic worldwide portfolio, but it’s CPhI North America that has become the critical link in a global chain connecting motivated buyers with industry-leading suppliers. We represent the most lucrative pharma market on earth. It’s here you will drive your career and your business forward. You simply can’t afford to be left behind.
Hefei TengChao Chemical Material Co.,Ltd.will attend the exhibition,(N-methyl pyrrolidone,2-pyrrolidone,PolyvinylPyrrolidone K)
we welcome our friends to come and visit.
Hope we could have a great time.
From 30th,April to 2nd,May.2019