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

1,2-Benzisothiazol-3(2H)-one

Home/ Merck & Sigma/ CAS 2634-33-5
1,2-Benzisothiazol-3(2H)-one molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of 1,2-Benzisothiazol-3(2H)-one (CAS 2634-33-5). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS2634-33-5
Molecular formulaC7H5NOS
Molecular weight151.18 g/mol
IUPAC name1,2-benzothiazol-3-one
Synonyms1,2-Benzisothiazolin-3-one · benzisothiazolone · benzisothiazolinone · benzoisothiazol-3-one · Proxel PL · 1,2-Benzisothiazoline-3-one
Safety & Hazards (GHS) Danger
Corrosive Corrosive Acute toxic Acute toxic Environmental hazard Environmental hazard
  • H302 Harmful if swallowed
  • H315 Causes skin irritation
  • H317 May cause an allergic skin reaction
  • H318 Causes serious eye damage
  • H330 Fatal if inhaled
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects

⚠️ 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 1,2-BENZISOTHIAZOL-3(2H)-ONE 75169-100MG Request Quote
Sigma 1,2-BENZISOTHIAZOL-3(2H)-ONE, 97% 561487-25G
561487-5G		 Request Quote

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