IUPAC Name: 4-[[3-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine;dihydrochloride Synonyms: Basic Brown 1, 10114-58-6, Bismark Brown Y, Bismarck Brown Y, Phenylene Brown, C.I. Basic Brown 1, dihydrochloride, Manchester Brown, C.I. 21000, MFCD00012977, 1,3-Benzenediamine, 4,4'-[1,3-phenylenebis(2,1-diazenediyl)]bis-, hydrochloride (1:2), 14MUB626S2, 1,3-Benzenediamine, 4,4'-[1,3-phenylenebis(azo)]bis-, dihydrochloride, 1,3-Bis(2,3-diaminophenylazo)benzene hydrochloride, 4,4'-(1,3-Phenylenebis(diazene-2,1-diyl))bis(benzene-1,3-diamine) dihydrochloride, 1,3-Benzenediamine, 4,4'-(1,3-phenylenebis(azo))bis-, dihydrochloride, Bismarck Brown B, 4-[[3-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine;dihydrochloride, Basic Brown G, GX, GXP, bismarck-brown, UNII-14MUB626S2