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Home > Products >  Chlorosulfonyl isocyanate

Chlorosulfonyl isocyanate CAS NO.1189-71-5

  • Min.Order: 80 Kilogram
  • Payment Terms: L/C,T/T
  • Product Details


  • CSI
  • Over 99% Chlorosulfonyl isocyanate

Quick Details

  • ProName: Chlorosulfonyl isocyanate
  • CasNo: 1189-71-5
  • Molecular Formula: CClNO3S
  • Appearance: colourless transparent liquid
  • Application: 1. Chlorosulfonyl isocyanate is a very...
  • DeliveryTime: as the client like
  • PackAge: 80kg drums
  • Port: China port
  • ProductionCapacity: Metric Ton/Day
  • Purity: 99%min
  • Storage: 0-6°C
  • Transportation: by sea
  • LimitNum: 80 Kilogram
  • Solubility: In case of water decomposition,soluble...


Chlorosulfonyl isocyanate has two active groups, so it is very important in organic synthesis.

The reaction can be carried out either by chlorine or by isocyanate.

When the reaction occurs at one end, the other side can continue to react and act as a bridge for organic synthesis.

1. Chlorosulfonyl isocyanate is  one of our main products. 

2. Colorless transportant liquid.

3. The mature Technical support and professional logistic support

4. The best quality in your requirement.

5. The competitive price owing to low labor cost and low material cost.



Established in 2004, QINGDAO ON-BILLION INDUSTRIAL CO.,LTD is voted as excellent (A grade) export trade window by Qingdao government. 

Our advantages

1. Rich experience of delivering dangerous chemicals.

2. Own 2 joint venture chemical enterprises.

3. Use ISO Tanks to export liquid chemicals for years; possesses 80 private ISO Tanks for cycle use, including 10 special tanks with removable baffles inside.

4. No.1 in China for export volumes of Furfural & Furfuryl alcohol from 2005.

5. Cooperate deeply with professional land transport team to deliver dangerous products for sixteen years, safe & in-time & credible.

6. State-owned capital share import and export enterprise, established system, and stable development.

Product description

CAS: 1189-71-5              EINECS: 214-715-2

MF:   CClNO3S               MW:       141.53

Chemical Properties




Colourless transparent liquid



Melting point

-44°C (lit.)

Boiling point


Density(25 °C)

1.626 g/mL (lit.)

refractive index

1.447 n20/D  (lit.)

Packaging and transportant  

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