Synonyms: 4,4'-((4-Methyl-1,3-phenylene)bis(azo))bis(6-methylbenzene-1,3-diammonium) acetate (1:4);1,3-Benzenediamine, 4,4'-((4-methyl-1,3-phenylene)bis(azo))bis(6-methyl-, acetate;4,4'-[(4-methylbenzene-1,3-diyl)di(E)diazene-2,1-diyl]bis(6-methylbenzene-1,3-diamine) tetraacetate