Tartrazine (FD&C Yellow No. 5, E102) is a synthetic azo dye providing bright lemon-yellow colour. It is one of the most widely used and cost-effective yellow food colourants globally.
Highly stable to heat, light, acid and salt. This makes it suitable for virtually all food applications. Subject to labelling requirements in many countries due to rare sensitivity reactions in susceptible individuals (particularly aspirin-sensitive asthmatics).