尤物视频污,99热99热99超碰,精品久久久久女少妇,少妇精品无码,日B视屏久久香色,亚洲美女午夜福利av,国产美女被操,国产九九精品,国产久久色情

China alpha-pyrrolidone - China Supplier

alpha-pyrrolidone

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 -  Toocle Partnership -  Toocle Services -  Old Version
Copyright ? Toocle.com. All Rights Reserved.
(浙)-經(jīng)營性-2023-0192
ChatGlobal Chat Now 德钦县| 塔河县| 水城县| 黑河市| 秀山| 威远县| 容城县| 泸溪县| 巩留县| 余江县| 禄丰县| 阳山县| 边坝县| 鄂尔多斯市| 楚雄市| 大城县| 调兵山市| 布拖县| 岫岩| 乌兰浩特市| 兴和县| 黄浦区| 张掖市| 房产| 靖江市| 谢通门县| 滦平县| 襄垣县| 武胜县| 华容县| 泰和县| 泰来县| 化隆| 蒲城县| 河源市| 利津县| 突泉县| 益阳市| 余庆县| 清丰县| 中宁县|