Agent Name

p-Aminoazobenzene

Alternative Name

Aniline Yellow

CAS Number

60-09-3

Formula

C12-H11-N3

Major Category

Dyes

Synonyms

Aniline Yellow; 4-(Phenylazo)aniline; 4-(Phenylazo)benzenamine; 4-Amino-1,1'-azobenzene; 4-Aminoazobenzene; 4-Aminoazobenzol; 4-Benzeneazoaniline; Aminoazobenzene; Aminoazobenzene (indicator); Aniline Yellow (VAN); Aniline, p-(phenylazo)-; Azobenzene, 4-amino-; Benzenamine, 4-(phenylazo)-; Brasilazina Oil Yellow G; C.I. 11000; C.I. Solvent Blue 7; C.I. Solvent Yellow 1; CI 11000; CI Solvent Yellow 1; Cellitazol R; Ceres Yellow R; Fast Spirit Yellow; Fast Spirit Yellow AAB; Fat Yellow AAB; Induline R; Oil Yellow 2G; Oil Yellow AAB; Oil Yellow AB; Oil Yellow AB (VAN); Oil Yellow AN; Oil Yellow B; Oil Yellow R; Oil soluble Aniline Yellow; Oil-Sol. Aniline Yellow; Organol Yellow; Organol Yellow 2A; Paraphenolazo aniline; Solvent Yellow 1; Somalia Yellow 2G; Stearix Brown 4R; Sudan Yellow R; Sudan Yellow RA; Zlut anilinova [Czech]; Zlut rozpoustedlova 1 [Czech]; p-(Phenolazo)aniline; p-(Phenylazo)aniline; p-Aminoazobenzol; p-Aminodiphenylimide; p-Phenylazonaniline; p-Phenylazophenylamine; [ChemIDplus]

Category

Azo Dyes

Description

Brownish-yellow solid with a bluish tint; [Merck Index] Yellow to tan or orange solid; [HSDB] Brown-yellow crystals; [MSDSonline]

Sources/Uses

Used as a dye for lacquers, varnishes, wax products, oil stains, and styrene resins; Also used to make Acid Yellow, diazo dyes, and indulines; [HSDB] Used as an insecticide; [Hawley] Found in some semi-permanent hair dyes; [Kanerva, p. 1748]

Comments

A skin sensitizer, based on human patch test studies; [HSDB] May cause methemoglobinemia and skin sensitization. May be fatal by inhalation, ingestion, or skin absorption; [CAMEO] An eye irritant; Targets the liver; [MSDSonline] In a series of patients, about 30% of hairdressers with hand dermatitis had positive patch tests to p-Aminoazobenzene. [Kanerva, p. 1748]

Exposure Assessment
Vapor Pressure

1.4E-6 mm Hg

Adverse Effects
Skin Sensitizer

Yes

Hepatotoxin

Hepatotoxin, Secondary

Methemoglobinemia

Methemoglobinemia, Secondary

IARC Carcinogen

Possible Carcinogen

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

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