Synonyms:
benzenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-3-methyl-, compd. with 1-butanamine ; butylammonium 4-[(2-hydroxy-1-naphthyl)azo]-3-methylbenzenesulphonate ; butylammonium 4-[(2-hydroxy-1-naphthyl)azo]-3-methylbenzenesulfonate ; einecs 284-409-1 ; benzenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-3-methyl-, compd. with 1-butanamine (1:1)