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Benzenesulfonic Acid

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Benzenesulfonic Acid molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 6 grades and pack sizes of Benzenesulfonic Acid (CAS 98-11-3). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS98-11-3
Molecular formulaC6H6O3S
Molecular weight158.17 g/mol
IUPAC namebenzenesulfonic acid
SynonymsPhenylsulfonic acid · Benzenesulphonic acid · Besylic acid · Benzenemonosulfonic acid · Kyselina benzensulfonova · RefChem:5586
Safety & Hazards (GHS) Danger
Corrosive Corrosive Irritant Irritant
  • H302 Harmful if swallowed
  • H314 Causes severe skin burns and eye damage

⚠️ 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 BENZENESULFONIC ACID, 98.0% (T) 12635-100G-F
12635-1KG-F
12635-25G-F
12635-500G-F
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Sigma BENZENESULFONIC ACID, TECH., 90% 135070-100G
135070-1KG
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For information only; specifications and availability are confirmed at quotation. Prices are not listed.