sales@klarchem.com +90 530 315 00 65 Mon–Sat: 09:00 – 18:00
Get a Quote

Chlorosulfonic acid

Home/ Merck & Sigma/ CAS 7790-94-5
Chlorosulfonic acid molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of Chlorosulfonic acid (CAS 7790-94-5). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS7790-94-5
Molecular formulaClHO3S
Molecular weight116.52 g/mol
IUPAC namesulfurochloridic acid
SynonymsChlorosulfuric acid · Sulfuric chlorohydrin · Chlorosulphonic acid · Monochlorosulfuric acid · Sulfonic acid, monochloride · 2O9AXL1TJ4
Safety & Hazards (GHS) Danger
Corrosive Corrosive Acute toxic Acute toxic Health hazard Health hazard
  • H314 Causes severe skin burns and eye damage
  • H335 May cause respiratory irritation
  • H312 Harmful in contact with skin
  • H318 Causes serious eye damage
  • H330 Fatal if inhaled
  • H372 Causes damage to organs through prolonged or repeated exposure

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma CHLOROSULFONIC ACID, 99% 571024-100G
571024-1KG
571024-5G		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.