色播婷婷电影综合社区,AV女优不卡亚洲在线,99999AV,日韩人妻中文字幕视频,国产拍自偷,91人人妻,超碰在线81,免费福利视频一区,九草青草原在线看

China α-pyrrolidone(α-PYR) - China Supplier
China α-pyrrolidone(α-PYR) - China Supplier

α-pyrrolidone(α-PYR)

Price:Negotiable
Industry Category: Chemicals/Chemical Intermediates/Intermediate Compounds
Product Category:
Brand:
Spec:


Contact Info
  • Add:WEST SECTION OF SHENGLI ROAD,PUYANG CITY,HENAN PROVINCE, CHINA, Zip: 457000
  • Contact: Kelly liang
  • Tel:+86-393-4411771 013939384669
  • Email:myj@myj2002.com

Other Products

Description
Additional Information

I. Application:
This product is an important chemical raw material and organic solvent, and is widely used in medicine, textile, dyestuff and cosmetics industries. It is mainly used to make:
1. medicine (neurokang); 2. nylon-4
3. polyvinyl pyrrolidone (PNVP)
① Medicine ② Dyeing assistants for fabric ③ Beer clarificant ④ Cosmetics (hair jelly)

Molecular Formula:(CH2)CONH
Molecular Weight為:85.10
II. Characteristics:
Colorless and transparent, with a boiling point of 245oC and a melting point of 24.6oC. It is a liquid above 25oC, can be mix dissolved with water, alcohol, ether, chloroform, benzene, acetic acid, ethyl ester and carbon disulfide, and is difficult to dissolve in petroleum ether.

III. Product specifications:

Index

Specification

Purity %

≥99.0

Chroma

≤25

Density g/ml

1.110-1.116

Moisture %

≤0.20

Refractive index

1.480-1.490

Melting point οC

24.6

IV. Packing:
In galvanized iron drums of 200kg in net weight.

Industry Category Chemicals/Chemical Intermediates/Intermediate Compounds
Product Category
Brand:
Spec:
Stock:
Origin:
About Toocle.com - Partner Programme - Old Version
Copyright ? Toocle.com. All Rights Reserved.
(浙)-經(jīng)營性-2023-0192
ChatGlobal Chat Now 长兴县| 神木县| 孝昌县| 柯坪县| 平泉县| 鸡东县| 绥棱县| 噶尔县| 荣昌县| 遵义县| 兴城市| 涿州市| 成安县| 焉耆| 宜都市| 仲巴县| 巍山| 玉林市| 静安区| 浑源县| 汨罗市| 措勤县| 三都| 济阳县| 盐池县| 綦江县| 珠海市| 上高县| 类乌齐县| 丽江市| 蒙阴县| 丘北县| 淳化县| 新野县| 朔州市| 志丹县| 吉安县| 平山县| 吐鲁番市| 手游| 新泰市|