C.I. 35440; C.I. Direct Black 32; C.I. Direct Black 32, trisodium salt (8CI); trisodium (3Z)-6-[(E)-{2-amino-4-[(2-hydroxyethyl)amino]phenyl}diazenyl]-3-{2-[4-({4-[(2Z)-2-{7-[(E)-{2-amino-4-[(2-hydroxyethyl)amino]phenyl}diazenyl]-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene}hydrazinyl]phenyl}amino)-3-sulfonatophenyl]hydrazinylidene}-4-oxo-3,4-dihydronaphthalene-2-sulfonate; trisodium 6-[2-amino-4-(2-hydroxyethylamino)phenyl]azo-3-[4-[[4-[[7-[2-amino-4-(2-hydroxyethylamino)phenyl]azo-1-hydroxy-3-sulfonato-2-naphthyl]azo]-2-sulfonato-phenyl]amino]phenyl]azo-4-hydroxy-naphthalene-2-sulfonate
