Benzenesulfonic acid
Agent Name
Benzenesulfonic acid
CAS Number
98-11-3
Formula
C6-H6-O3-S
Major Category
Other Classes
Synonyms
17-120A; Benzene sulphonic acid; Benzenemonosulfonic acid; Besylic acid; Kyselina benzensulfonova [Czech]; Phenylsulfonic acid; [ChemIDplus] UN2585
Category
Benzenesulfonic Acid Derivatives
Description
Soluble in water; [ChemIDplus] Light brown deliquescent solid; [CHEMINFO] Grey to yellow hygroscopic solid; [ICSC]
Sources/Uses
Used as a chemical intermediate and a catalyst in the manufacturing of alkyd resins, phenol-formaldehyde resins, and in the polymerization of diolefins; [HSDB] Used as an acid catalyst in the foundry industry; [Reference #1]
Comments
A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; [ICSC] Mild irritant effect to human skin after contact with 0.2% solution; [RTECS] See "p-Toluenesulfonic acid."
Biomedical References
Exposure Assessment
Vapor Pressure
2.36E-05 mm Hg
Explanatory Notes
Flash point = 113 deg C; mp = 51 deg C; bp = 190 deg C; [ICSC] mp = 45-50 deg C; [MSDSonline]
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: