Brilliant Blue FCF

• CAT Number: R052690
• CAS Number: 3844-45-9
• Molecular Formula: C₃₇H₃₄N₂Na₂O₉S₃
• Molecular Weight: 792.85
• Purity: ≥95%
• Synonyms: 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
• Storage: -20°C
• IUPAC Name: disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
• InChI: InChI=1S/C37H36N2O9S3.2Na/c1-3-38(25-27-9-7-11-33(23-27)49(40,41)42)31-19-15-29(16-20-31)37(35-13-5-6-14-36(35)51(46,47)48)30-17-21-32(22-18-30)39(4-2)26-28-10-8-12-34(24-28)50(43,44)45;;/h5-24H,3-4,25-26H2,1-2H3,(H2-,40,41,42,43,44,45,46,47,48);;/q;2*+1/p-2
• InChIKey: SGHZXLIDFTYFHQ-UHFFFAOYSA-L
• SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=CC=C5S(=O)(=O)[O-].[Na+].[Na+]

Brilliant Blue FCF (Cat No.:R052690) is a synthetic organic dye with the molecular formula C37H34N2Na2O9S3. It appears as a vibrant blue powder and is widely used as a colorant in food, beverages, cosmetics, and pharmaceuticals. Brilliant Blue FCF is water-soluble and exhibits strong stability under light and acidic conditions. It is approved for use in many countries, although subject to concentration limits and regulatory oversight. While generally considered safe, it may cause allergic reactions in sensitive individuals. Proper handling and storage in dry, cool conditions are recommended.