Brilliant Blue FCF (C37H34N2Na2O9S3) [Blue 1]

Brilliant Blue FCF (Blue 1) is a synthetic organic compound used primarily as a blue colorant for processed foods, medications, dietary supplements, and cosmetics. It is classified as a triarylmethane dye and is known under various names, such as FD&C Blue No. 1 or Acid Blue 9. It is denoted by E number E133 and has a color index of 42090. It has the appearance of a blue powder and is soluble in water and glycerol, with a maximum absorption at about 628 nanometers. It is one of the oldest FDA-approved color additives and is generally considered nontoxic and safe. In the United States, of the two approved blue dyes (the other being Indigo carmine, or FD&C Blue #2), Brilliant Blue FCF is the m...View all