Synonyms: 1,3-Benzenediamine,4,4'-[(4-methyl-1,3-phenylene)bis(azo)]bis[6-methyl- (9CI);Toluene-2,4-diamine, 5,5'-[(4-methyl-m-phenylene)bis(azo)]bis- (7CI); BismarckBrown Base NS; Bismarck Brown G Base; Bismarck Brown R Base; Bismarck Brown RXBase; Bismarck Brown X Base; Bismarck brown TSS base; Brasilazina Brown R Base;NSC 47722