FD&C Red 40

FD&C Red 40 is a synthetic chemical, azo derivative, water-soluble dye, referred to by many synonyms, of which the most common is Allura Red 40 or Allura Red AC and is among the most widely used dyes in the world. It occurs as a fine red powder. Soluble in water and ethanol. It contains the azo group, which is the largest group of colours and...