Agent Name

p-Phenolsulfonic acid

Alternative Name

4-Hydroxyphenylsulfonic acid

CAS Number

98-67-9

Formula

C6-H6-O4-S

Major Category

Other Classes

Synonyms

4-Hydroxyphenylsulfonic acid; 4-Hydroxybenzenesulfonic acid; 4-Phenolsulfonic acid; Benzenesulfonic acid, 4-hydroxy-; Benzenesulfonic acid, p-hydroxy-; Sulfocarbolic acid; p-Hydroxybenzenesulfonic acid; p-Sulfophenol; [ChemIDplus]

Category

Benzenesulfonic Acid Derivatives

Description

Deliquescent solid; [Merck Index] Viscous brown liquid (65% wt. solution in water); [MSDSonline]

Sources/Uses

Used as a component of metal plating baths (tin and copper); as a chemical intermediate for pharmaceuticals and dyestuffs; in granulation of blast furnace slag; and as an analytical reagent; [HSDB]

Comments

A skin irritant; [Merck Index] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis and pulmonary edema; [MSDSonline] Oral LD50 (mouse) = 6400 mg/kg; Mild irritant effect to human skin after contact with 0.5% solution; [RTECS]

Exposure Assessment
Vapor Pressure

3.33E-7 mm Hg

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: