Synonyms: 5-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxybenzoic acid, disodium salt;Directfastbrown; phenamine brown mb; diazine brown; C.I. 22311; diamine brown; DIRECT FAST BROWN M; C.I. direct brown 2, disodium salt; benzoic acid,5-((4'-((7-amiono-1-hydroxy-3-sulfo-2-naphthyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-,disodium salt; union brown m; chloramine brown m; direct brown 2; brown m; direct fast brown; diphenyl brown; chrome leather brown m;
