中韩高清无专码区2021曰_色翁荡熄又大又硬又粗又视频图片_波多野结衣乳巨码无在线观看_国产91福利在线播放_国产人妻人伦精品_马来西亚潜水天堂_黄色免费网站下载_免费看黄网站黄污污污热门软件_小莹客厅激情46章至50章视频

China Chemical intermediates - China Supplier
China Chemical intermediates - China Supplier

Chemical intermediates

Price:Negotiable
Industry Category: Others
Product Category:
Brand: 蔚林股份
Spec: CAS : 1072-71-5


Contact Info
  • Add:濮陽(yáng)市化工產(chǎn)業(yè)集聚區(qū), Zip: 45700
  • Contact: 李珊珊
  • Tel:13721752522
  • Email:[email protected]

Other Products

Description
Additional Information

Chemical Name: Dithiothiadiazole

Alias: 2,5-Dimercapto-1,3,4-thiadiazole 

English Name: 2,5-Dimercapto-1,3,4-thiadiazole

Structural Formula:

Molecular Formula: C2H2N2S3

Molecular Weight: 150.25

CAS No.: 1072-71-5

Physical and Chemical Properties: White to light yellow crystalline powder; easily soluble in ether and alkaline solutions, slightly soluble in alcohol, insoluble in water, chloroform, and benzene.

Technical Requirements:

Analysis Item

Specification

Remarks

Appearance (Visual)

White to light yellow powder


Initial Melting Point (°C) ≥

162.0


Heating Loss (%) ≤

0.50


Ash Content (%) ≤

0.30


Purity (%) ≥

98.0


Residue on Sieve (840μm) (%) 

All pass


Storage: The alkaline solution of this product is unstable and precipitates sulfur upon prolonged storage. It is unstable in air and under light. It should be stored in a light-proof bottle filled with nitrogen.

ApplicationsIt is a metal deactivator and corrosion inhibitor for copper metals. It is also an important chemical intermediate, and its derivatives are widely used in pharmaceuticals, lubricating greases, metalworking fluids, rubber industry, etc.

Packaging: 25 kg/bag in paper-plastic composite bags with polyethylene inner lining.

Industry Category Others
Product Category
Brand: 蔚林股份
Spec: CAS : 1072-71-5
Stock:
Origin: China / Henan / Yangshi
Storefront Language: English Chinese English
About Toocle.com -  Toocle Partnership -  Toocle Services -  Toocle Agents
Copyright ? Toocle.com. All Rights Reserved.
(浙)-經(jīng)營(yíng)性-2023-0192
ChatGlobal Chat Now