Synonyms: 1-[[4-[[4-[(2-hydroxy-1-naphthyl)azo]-2,5-dimethylphenyl]phenylmethyl]-2-methylphenyl]azo]-2-naphthol;1-[[4-[[4-[(2-Hydroxy-1-naphtyl)azo]-2,5-dimethylphenyl]phenylmethyl]-2-methylphenyl]azo]-2-naphthol;1-((4-((4-((2-Hydroxy-1-naphthyl)azo)-2,5-dimethylphenyl)phenylmethyl)-2-methylphenyl)azo)-2-naphthol;2-Naphthalenol, 1-((4-((4-((2-hydroxy-1-naphthalenyl)azo)-2,5-dimethylphenyl)phenylmethyl)-2-methylphenyl)azo)-;2-Naphthalenol, 1-(2-(4-((4-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-2,5-dimethylphenyl)phenylmethyl)-2-methylphenyl)diazenyl)-;2-Naphthol, 1-((((4-((2-hydroxy-1-naphthyl)azo)-3-methylphenyl)phenylmethylene)-2,5-dimethylphenyl)azo)-;Einecs 266-131-2