清纯校花挨脔日常H惩罚视频,在线视频免费观看WWW动漫,好爽快点我受不了了国产,四虎影视免费永久在线观看,亚洲欧美日韩三级

 

Ammonium Thioglycolate

 

Basic information:

CAS NO.5421-46-5?

UN NO.2810

Chemical formula:C2H7NO2S

Molecular weight:109.1475

Character:a colorless or reddish liquid with a distinctive odor.

Density:1.22

Melting point:

Specific gravity:1.245(25

Water insolubleness:Miscible

 

Technical Index(Mass fraction/%)

Items

Reagent grade

   Amine salt

Positive

   Mercaptan

Positive

         Purity

68.0-72.0%(Iodometry)

   PH value

5.8-6.4

   Iron

<0.2ppm

 

Uses:

The product is an intermediate of fenalol, also used as a stabilizer of PVC.It is also used as an antioxidant, catalyst and biochemical reagent.

Package/Capacity of container/Storage:

Packing:in 25kg drum.

Store in cool,dry and ventilated warehouse.

 

 

 

Contact person: Chen Xin Liu Yong  Mobile phone:13114957238 15022111969  E-mail:fairy.chen@tjxinze.com? david.liu@tjxinze.com ?Telephone:86-22-23717388
Fax:86-22-23717188 ? Address: Dongtaizi, Xiqing District, Tianjin
清纯校花挨脔日常H惩罚视频,在线视频免费观看WWW动漫,好爽快点我受不了了国产,四虎影视免费永久在线观看,亚洲欧美日韩三级