Hydroxybenzenesulfonic acid
Agent Name
Hydroxybenzenesulfonic acid
CAS Number
1333-39-7
Formula
C6-H6-O4-S
Major Category
Other Classes
Synonyms
Benzenesulfonic acid, hydroxy-; Hydroxy benzenesulfonic acid; Phenolsulfonic acid; Sulfocarbolic acid; [ChemIDplus] UN1803
Category
Benzenesulfonic Acid Derivatives
Description
Yellowish hygroscopic liquid; Turns brown on exposure to air; Mixture of ortho and para isomers; [CAMEO] Solid; [eChemPortal: HPVIS: EPA] Red liquid; [MSDSonline]
Sources/Uses
Used in water analysis and to make pharmaceuticals; [CAMEO] Used as a process regulator for vulcanization and polymerization processes in the manufacturing of resin and synthetic rubber; Also used as a resin binding catalyst and in paints, coatings, and construction products; [eChemPortal: HPVIS: EPA]
Comments
A skin, eye, and mucous membrane irritant; [CAMEO] Corrosive to eyes, based on animal studies; [eChemPortal: HPVIS: EPA] Available as 65% aqueous solution; Classified as corrosive for transport; [IUCLID] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; [MSDSonline] See "p-Phenolsulfonic acid."
Biomedical References
Exposure Assessment
Vapor Pressure
3.33E-07 mm Hg
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: