Agent Name


CAS Number




Major Category



4-(Dimethylamino)azobenzene; 4-(N,N-Dimethylamino)azobenzene; 4-(Phenylazo)-N,N-dimethylaniline; 4-Dimethylaminoazobenzol; 4-Dimethylaminophenylazobenzene; Aniline, N,N-dimethyl-p-(phenylazo)-; Atul Fast Yellow R; Azobenzene, p-dimethylamino-; Benzeneazodimethylaniline; Brilliant Fast Oil Yellow; Brilliant Fast Spirit Yellow; Brilliant Oil Yellow; Butter Yellow; C.I. 11020; C.I. Solvent Yellow 2; CI 11020; CI Solvent Yellow 2; Cerasine Yellow GG; DAB; DAB (carcinogen); DMAB; Dimethyl Yellow; Dimethyl Yellow Analar; Enial Yellow 2G; Fast Oil Yellow B; Fat Yellow; Fat Yellow A; Fat Yellow AD OO; Fat Yellow ES; Fat Yellow ES Extra; Fat Yellow Extra Conc.; Fat Yellow R; Fat Yellow R (8186); Grasal Brilliant Yellow; Iketon Yellow Extra; Jaune de beurre [French]; Methyl Yellow; N,N-Dimethyl-4-(phenylazo)benzamine; N,N-Dimethyl-4-(phenylazo)benzenamine; N,N-Dimethyl-4-aminoazobenzene; N,N-Dimethyl-4-phenylazo benzenamine; N,N-Dimethyl-4-phenylazoaniline; N,N-Dimethyl-p-aminoazobenzene; N,N-Dimethyl-p-azoaniline; N,N-Dimethyl-p-phenylazoaniline; Oil Yellow 20; Oil Yellow 2625; Oil Yellow 2G; Oil Yellow 7463; Oil Yellow BB; Oil Yellow D; Oil Yellow DN; Oil Yellow FF; Oil Yellow FN; Oil Yellow G; Oil Yellow G (VAN); Oil Yellow G-2; Oil Yellow GG; Oil Yellow GR; Oil Yellow II; Oil Yellow N; Oil Yellow PEL; Oil Yellow S; Oleal Yellow 2G; Organol Yellow ADM; Orient Oil Yellow GG; Petrol Yellow WT; Resinol Yellow GR; Resoform Yellow GGA; Silotras Yellow T2G; Solvent Yellow 2; Somalia Yellow A; Stear Yellow JB; Sudan GG; Sudan Yellow; Sudan Yellow GG; Sudan Yellow GGA; Toyo Oil Yellow G; Waxoline Yellow AD; Waxoline Yellow ADS; Yellow G soluble in grease; Zlut maselna [Czech]; Zlut rozpoustedlova 2 [Czech]; p-Dimethylamino-azobenzol [German]; p-Dimethylaminoazobenzen [Czech]; p-Dimethylaminoazobenzene; [ChemIDplus] UN2811


Azo Dyes


Yellow, leaf-shaped crystals; [NIOSH]


Used as a reagent for chemical analysis; Used in the past as a yellow hair dye in Scandinavian countries; [HSDB]


In animal studies: liver injury; In feeding studies of dogs: bladder cancer; [HSDB]


See "Carcinogens" in 29CFR1910.1003 (Code of Federal Regulations)

Exposure Assessment
Vapor Pressure

3.0E-7 mm Hg

Half Life

No reports found; [TDR, p. 547]

Adverse Effects

Hepatotoxin, Secondary

IARC Carcinogen

Possible Carcinogen

NTP Carcinogen

Anticipated Human Carcinogen

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information


Chemical Information

Search ChemIDplus

Related Information in HazMap

Industrial Processes with risk of exposure: