Synonyms: | 1-Naphthalenesulfonicacid,3-[[4'-[(5-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-,disodium salt (9CI); C.I. Direct Blue 12, disodium salt (8CI); C.I. 24170; C.I.Direct Blue 12; Oxamine Blue B |