N-Ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](2-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfobenzenemethanaminium Inner Salt Sodium Salt; Blue 1206; Blue FCF; Disodium Erioglaucine; Dolkwal Brilliant Blue; Puricolor Blue ABL 9;
It is a colorant for foods and other substances to induce a color change. It is denoted by E number E133 and has a color index of 42090. It has the appearance of a reddish-blue powder. It is soluble in water, and the solution has a maximum adsorption at about 628 nanometer. Brilliant Blue FCF has the capacity for inducing an allergic reaction in individuals with pre-existing moderate asthma. Dyes and metabolites, Environmental Testing