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-PYR - China Supplier

alpha-PYR

Price:Negotiable
Industry Category: Others
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 Others
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 垦利县| 苗栗市| 济阳县| 铁岭市| 嘉峪关市| 英超| 油尖旺区| 新平| 大理市| 平昌县| 奉贤区| 墨江| 蓬溪县| 高邮市| 霸州市| 当阳市| 集安市| 资兴市| 绥江县| 台湾省| 遵化市| 辽中县| 永丰县| 定南县| 桓台县| 福州市| 中山市| 五莲县| 鸡西市| 阜城县| 武陟县| 绥芬河市| 江阴市| 西乡县| 沙田区| 北流市| 临武县| 邯郸市| 曲松县| 嫩江县| 伊宁市|