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VAQORACHEMICALS

Chlorosulfonyl isocyanate, extra pure >98%

Synonyms: Sulfuryl chloride isocyanate · Chlorosulphonyl isocyanate · ((chlorosulfonyl)imino)methanone · sulfurisocyanatidic chloride

CAS No.1189-71-5
FormulaCClNO3S
Mol. weight141.53
Catalogue No.VQ-020042
Purity>98%
HSN—

Chlorosulfonyl isocyanate (CAS 1189-71-5) – organosulfur compound, Extra Pure grade, >98%. CClNO3S, MW 141.53. Vaqora Chemicals: COA, global shipping.

Pack sizesPrice on quotation · bulk available
25 g
100 g
500 g
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Chlorosulfonyl isocyanate, extra pure >98%

Vaqora Chemicals supplies Chlorosulfonyl isocyanate in Extra Pure grade, an organosulfur compound registered under CAS number 1189-71-5 with a typical assay of above 98%. The compound has the formula CClNO3S, corresponding to a molecular weight of 141.53 g/mol. Its systematic (IUPAC) name is N-(oxomethylidene)sulfamoyl chloride. It is also known as Sulfuryl chloride isocyanate or Chlorosulphonyl isocyanate.

Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Chlorosulfonyl isocyanate in 25 g, 100 g and 500 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

  • Organic synthesis
  • API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameChlorosulfonyl isocyanate, extra pure >98%
Catalogue No.VQ-020042
CAS Number1189-71-5
IUPAC nameN-(oxomethylidene)sulfamoyl chloride
Molecular formulaCClNO3S
Molecular weight141.53 g/mol
Exact mass140.9287
GradeExtra Pure
Purity / assay>98%
InChIKeyWRJWRGBVPUUDLA-UHFFFAOYSA-N
SMILESC(=NS(=O)(=O)Cl)=O
PubChem CID70918
Physical properties
Physical formOther
LogP (XLogP3)1.5
H-bond donors / acceptors0 / 4
TPSA72 Ų
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

Safety & hazard information (GHS)

GHS05 Corrosive
Corrosive
GHS06 Toxic
Toxic
GHS07 Harmful / irritant
Harmful / irritant
GHS08 Health hazard
Health hazard

Signal word: Danger

Hazard statements

  • 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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of Chlorosulfonyl isocyanate, extra pure >98%?

The CAS Registry Number of Chlorosulfonyl isocyanate, extra pure >98% is 1189-71-5. It is also known as Sulfuryl chloride isocyanate, Chlorosulphonyl isocyanate, ((chlorosulfonyl)imino)methanone.

What is the molecular formula and molecular weight of Chlorosulfonyl isocyanate, extra pure >98%?

Chlorosulfonyl isocyanate, extra pure >98% has the molecular formula CClNO3S and a molecular weight of 141.53 g/mol. Its IUPAC name is N-(oxomethylidene)sulfamoyl chloride.

Which grade and pack sizes of Chlorosulfonyl isocyanate, extra pure >98% can I order?

We supply Chlorosulfonyl isocyanate, extra pure >98% in Extra Pure (>98%) grade, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Chlorosulfonyl isocyanate, extra pure >98%?

Yes. Every lot of Chlorosulfonyl isocyanate, extra pure >98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Chlorosulfonyl isocyanate, extra pure >98% be shipped internationally?

Yes. Chlorosulfonyl isocyanate, extra pure >98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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