Synonyms: Food Blue No. 1; FD & C Blue no. 1;Brilliant Blue FCF;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4- [ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2, 5-dien-1-ylidene]methyl]benzenesulfonate; Acid Blue 9; Blue 1206; Erioglaucine; Alphazurine FG; Fenazo Blue XI; FD&C Blue No. 1;disodium;