Synonyms: C.I.Acid Black 123 (7CI);Chromate(1-),bis[1-[(2-hydroxy-4-nitrophenyl)azo]-2-naphthalenolato(2-)]-, hydrogen,(OC-6-22')-;Chromate(1-),bis[1-[(2-hydroxy-4-nitrophenyl)azo]-2-naphtholato(2-)]-, hydrogen (8CI);Chromate(1-), bis[1-[[2-(hydroxy-kO)-4-nitrophenyl]azo-kN1]-2-naphthalenolato(2-)-kO]-, hydrogen, (OC-6-22')- (9CI);Amichrome Light BlackRBLL;C.I. 12195;C.I. Acid Black 63;C.I. Solvent Black 34;Eukesolar BlackRL;Kayakalan Black RBL;Nylomine Black D-R;Ortolan Black RL;Solvent Black34;Trialan Black RB;Vali Fast Black 3804;Vialon Fast Black R;Zapon FastBlack B;Zapon Fast Black RE;