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."

Exposure Assessment
Vapor Pressure

3.33E-7 mm Hg

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: