Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
Bulk CASAccount
Sulfur Compounds (Thiols, Sulfides, Sulfonates)

Chlorosulfonyl isocyanate, extra pure >98%

Extra PureAvailable on request

Order Chlorosulfonyl isocyanate, extra pure >98% (CAS 1189-71-5) online at Zemixal: CClNO3S, COA and SDS with every lot, worldwide shipping.

Pack sizes
Chlorosulfonyl isocyanate, extra pure >98% chemical structure
CAS number1189-71-5
FormulaCClNO3S
Molar mass141.53 g/mol
Purity>98%
InChIKeyWRJWRGBVPUUDLA-UHFFFAOYSA-N
IUPAC nameN-(oxomethylidene)sulfamoyl chloride

About Chlorosulfonyl isocyanate, extra pure >98%

Zemixal supplies Chlorosulfonyl isocyanate, extra pure >98% within its pharma Intermediates & Building Blocks portfolio. Identity at a glance (Extra Pure): CAS 1189-71-5, formula CClNO3S and molar mass 141.53 g/mol.

Where it is used

  • Organic synthesis
  • API synthesis

Handling and storage

Hazard communication follows GHS (Danger: H302, H312, H314 and H330). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 25 g, 100 g and 500 g, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Grade guides

Specifications and identifiers

Specifications of Chlorosulfonyl isocyanate, extra pure >98%
Product nameChlorosulfonyl isocyanate, extra pure >98%
Catalogue numberZX-019100
CAS number1189-71-5
IUPAC nameN-(oxomethylidene)sulfamoyl chloride
Molecular formulaCClNO3S
Molar mass141.53 g/mol
Exact mass140.9287
GradeExtra Pure
Purity / assay>98%
XLogP31.5
H-bond donors / acceptors0 / 4
Topological polar surface area72 Ų
InChIKeyWRJWRGBVPUUDLA-UHFFFAOYSA-N
SMILESC(=NS(=O)(=O)Cl)=O
PubChem CID70918
SynonymsSulfuryl chloride isocyanate, Chlorosulphonyl isocyanate, ((chlorosulfonyl)imino)methanone, sulfurisocyanatidic chloride, N-Carbonylsulfamyl chloride, chlorsulfonyl isocyanate, N-Chlorosulfonyl isocyanate, sulfurisocyanatidoyl chloride, N-(oxomethylene)sulfamoyl chloride, chlorsulfonylisocyanate

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H314Causes severe skin burns and eye damage
  • H330Fatal if inhaled
  • H332Harmful if inhaled
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements P233, P260, P261, P264, P270, P271, P280, P284, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P320, P321, P330, P342 + P316, P362 + P364, P363, P403, P403 + P233

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Chlorosulfonyl isocyanate, extra pure >98%
25 gQuoted on request
100 gQuoted on request
500 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Chlorosulfonyl isocyanate, extra pure >98%

Which CAS number identifies Chlorosulfonyl isocyanate, extra pure >98%?
Chlorosulfonyl isocyanate, extra pure >98% is registered under CAS 1189-71-5. You may also see it listed as Sulfuryl chloride isocyanate, Chlorosulphonyl isocyanate, ((chlorosulfonyl)imino)methanone. Our catalogue number for this item is ZX-019100.
What are the formula and molar mass of Chlorosulfonyl isocyanate, extra pure >98%?
For Chlorosulfonyl isocyanate, extra pure >98%, its formula is CClNO3S and its molar mass is 141.53 g/mol. The systematic (IUPAC) name is N-(oxomethylidene)sulfamoyl chloride. InChIKey WRJWRGBVPUUDLA-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Chlorosulfonyl isocyanate, extra pure >98%?
This listing is Extra Pure grade with >98% purity. Standard packs are 25 g, 100 g, 500 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Chlorosulfonyl isocyanate, extra pure >98%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Chlorosulfonyl isocyanate, extra pure >98% to my country?
Yes. Because Chlorosulfonyl isocyanate, extra pure >98% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 1189-71-5

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Compare 0 of 4Compare now