Shandong Huashang Chemical Co., Ltd.
Product
Chlorosulfonyl isocyanate
  • Brand:HS
  • Model:25kg/drum
  • Purity:99%
  • Cas:1189-71-5
  • Createtime: 2026-04-14
  • Updatetime: 2026-04-15
Product Details
useage Industrial use
deliveryInfo
appearance liquid
Molecular Weight 129.54
aliasen
supplyCapacity 50000MT/Month
harbor Qingdao,China
minorder 1KG
Appearance Colorless fuming liquid

Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.

Basic Information

Product Name: Chlorosulfonyl isocyanate
Alias: CSI
CAS No: 1189-71-5
Molecular Formula: CClNO2S
Molecular Weight: 129.54
Classification: High activity organic synthesis reagent

Physical & Chemical Properties

Appearance: Colorless transparent fuming liquid
Boiling Point: 107-108℃
Density: 1.626 g/cm3
Solubility: Reacts violently with water, soluble in halogenated hydrocarbons
Stability: Strong corrosive, easy hydrolysis, sealed cold storage

Specification Table

Item Specification Unit Remarks
Product Name Chlorosulfonyl isocyanate - Synthesis grade
CAS No 1189-71-5 - Pharmaceutical pesticide intermediate
Appearance Colorless fuming liquid - Strong irritant odor
Molecular Formula CClNO2S - Digital format
Molecular Weight 129.54 g/mol -
Purity ≥99.0 % GC
Moisture ≤0.1 % -

Main Uses

  1. High-efficiency acylating agent for medicine synthesis
  2. Synthesis of sulfonamide, urea and heterocyclic compounds
  3. Pesticide, herbicide and bactericide intermediate
  4. Chemical modification and polymer synthesis reagent

Safety Reminder

Strong corrosive, corrosive to skin eyes, strictly avoid contact with water and moisture