Agent Name

Metanilic acid

Alternative Name

3-Aminobenzenesulfonic acid

CAS Number

121-47-1

Formula

C6-H7-N-O3-S

Major Category

Nitrogen Compounds

Synonyms

1-Aminobenzene-3-sulfonic acid; 3-Amino-benzenesulfonic acid; Benzenesulfonic acid, 3-amino-; Kyselina anilin-3-sulfonova [Czech]; Kyselina metanilova [Czech]; m-Aminobenzenesulfonic acid; m-Anilinesulfonic acid; m-Sulfanilic acid; 3-Aminobenzenesulphonic acid; [ChemIDplus] 3-Aminobenzenesulfonic acid; Aniline-m-sulfonic acid; [Merck Index] 3-Aminobenzene sulfonic acid; 3-Aminophenylsulfonic acid; Aniline-m-sulphonic acid; 3-Anilinesulfonic acid; m-Aminobenzene sulfonic acid; m-Aminophenylsulfonic acid; m-Aniline sulfonic acid; meta-Aminobenzene sulfonic acid; 3-Sulfoaniline; [CAMEO]

Category

Aminobenzenesulfonic Acids

Description

Colorless or white solid; [CAMEO] Light brown powder; [Sigma-Aldrich MSDS]

Sources/Uses

Used to make sulfa drugs; The sodium salt is used to make azo dyes; [Merck Index] Used to make fine chemicals; [ToxPlanet: ECHA REACH Registrations]

Comments

Increased water consumption (males) and decreased urinary pH (both sexes) observed in 28-day oral study of rats at the highest tested dose (1,000 mg/kg/day); [ToxPlanet: JECDB] A mild eye irritant; [RTECS] A skin and mucous membrane irritant; [NTP] An eye irritant; Harmful by ingestion, inhalation, and skin absorption; [Sigma-Aldrich MSDS]

Exposure Assessment
Vapor Pressure

2.02E-7 mm Hg

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