Synonyms: basic brown 1; BB1 dye; UNII-14MUB626S2; Phenylene Brown; Manchester Brown; 14MUB626S2; 1,3-Bis(2,3-diaminophenylazo)benzene hydrochloride; EINECS 233-314-3; 1,3-Benzenediamine, 4,4'-[1,3-phenylenebis(azo)]bis-, dihydrochloride; W-110250; AI3-52758; 4,4-[1,3-PhenyleneBis(Azo)Bis]-1,3-Benzediamine Dihydrochloride; Basic Brown 1; 1,3-Benzenediamine, 4,4'-(1,3-phenylenebis(azo))bis-, dihydrochloride; 1,3-Benzenediamine, 4,4'-[1,3-phenylenebis(2,1-diazenediyl)]bis-, hydrochloride (1:2); Bismarck Brown Y (C.I. 21000); Basic Brown G, GX, GXP; bismarck-brown; Excelsior Brown; Leather Brown; Vesuvine G; 1,3-Benzenediamine, 4,4'-(1,3-phenylenebis(2,1-diazenediyl))bis-, hydrochloride (1:2); Solvent Brown 41; Bismark Brown Y; Bismarck Brown Y (G); AC1Q3AMZ; AC1L339D; SCHEMBL2400397; DTXSID5024558; SCHEMBL17688391; GT3348; AKOS015904041; AKOS028109200; MCULE-8804174905; 10114-58-6; m-Phenylenediamine, 4,4'-.ltbbrac.m-phenylenebis(azo).rtbbrac.bis-, dihydrochloride; T765; B0780; FT-0623123; ST50411631; I14-17748; 4,4'-[1,3-phenylenebis(diazene-2,1-diyl)]di(benzene-1,3-diamine) dihydrochloride; 4-[[3-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine dihydrochloride; Bismarck Brown Y, certified by the Biological Stain Commission, Dye content 50 %; 4-((E)-{3-[(Z)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl)benzene-1,3-diamine dihydrochloride; Bismarck Brown Y; 4-(2-{3-[2-(2,4-diaminophenyl)diazen-1-yl]phenyl}diazen-1-yl)benzene-1,3-diamine dihydrochloride; Vesuvine; Bismarck Brown; C.I. Basic Brown 1; C18H18N8.2ClH; Basic Brown 1 - 25G 25g; CHEBI:53615; C18-H18-N8.2Cl-H; C18H18N8; CID82360; C.I. Basic Brown 1, dihydrochloride; AR-1I0625; 4,4'-(m-Phenylenebisazo)bis-m-phenylenediamine dihydrochloride; Bismarck Brown Y (G) C. I. No. 21000 for microscopy (Vesuvine) 25gm; m-Phenylenediamine, 4,4'-ltbbracm-phenylenebis(azo)rtbbracbis-,dihydrochloride; 1052-38-6; 4-[[3-[(2,4-Diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine dihydrochloride (Brown 1 CI 21000); 84698-58-8; Bismarck Brown B; C.I. 21000; MFCD00012977;