Synonyms: Benzenemethanaminium,N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](2-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-,hydroxide, inner salt, disodium salt;Benzenemethanaminium,N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](2-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-,inner salt, disodium salt (9CI);Brilliant Blue FCF (6CI);C.I. Acid Blue 9,disodium salt (7CI,8CI);AB 9;AB 9 (dye);Blue 1206;C.I. Food Blue 2;CanacertBrilliant Blue FCF;D and C Blue No. 1;Disodiumerioglaucine;Duasyn Acid Blue AE 02;E 133;FD and C Blue 1;FD and C Blue No. 1;C Blue No. 1;Food Blue 2;Food Blue No. 1;Food Blue No.2;Hexacol Brilliant Blue A;Japan Blue No. 1;Puricolor Blue ABL 9;Unicert Blue O5601J;Usacert Blue No. 1;