Agent Name

Sulfanilic acid

CAS Number

121-57-3

Formula

C6-H7-N-O3-S

Major Category

Nitrogen Compounds

Synonyms

4-Sulfanilic acid; 4-Aminobenzenesulfonic acid; Aniline-4-sulfonic acid; Aniline-p-sulfonic acid; Aniline-p-sulphonic acid; Benzenesulfonic acid, 4-amino-; Kyselina sulfanilova [Czech]; Sulfanilsaeure [German]; Sulphanilic acid; p-Aminobenzenesulfonic acid; p-Aminophenylsulfonic acid; [ChemIDplus]

Category

Aminobenzenesulfonic Acids

Description

Greyish-white solid; [Hawley] White to grey solid; [ICSC] Light grey fine crystals and fragments; [MSDSonline]

Sources/Uses

Used to make dyes and other organic chemicals; Also used as an analytical reagent (Ehrlichs reagent and determination of nitrites) and antibacterial; [Merck Index] Used in the paper, pulp, board, and polymer industries; Used as an additive to construction materials and foodstuffs; [IUCLID]

Comments

An eye and mild skin irritant; May cause skin sensitization; In monohydrate form at room temperature; Becomes anhydrous near 100 deg C; [ICSC] Sensitizing in 5 of 6 guinea pig and 1 of 2 mouse skin tests; [IUCLID] Emergency medical treatment: irritants; [HSDB] May cause skin, eye, and mucous membrane irritation; [CAMEO] An irritant; [MSDSonline]

Exposure Assessment
Vapor Pressure

2.02E-7 mm Hg

Adverse Effects
Skin Sensitizer

Yes

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
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: