1-Naphthalenamine, 4-(phenylazo)- 1-Naphthylamine, 4-(phenylazo)- 131-22-6 4-(Phenylazo)-1-naphthylamine 4-Benzene-azo-.alpha.-naphthylamine 4-Benzeneazo-1-naphthylamine C.I. 11350 C.I. Solvent Yellow 4 NSC13974 Naphthalene, 1-phenylazo-4-amino- Nubian Yellow TB Phenylazo-.alpha.-naphthylamine