Tartrazine

Tartrazine (CAS 1934-21-0), also known as E102, Yellow 5, and Acid Yellow 23, is a synthetic lemon-yellow azo dye used to impart color in food, pharmaceutical, and industrial applications.

Where is Tartrazine used?

• Food and beverage: colors soft drinks, confectionery, snack coatings, and instant desserts, achieving yellow and green shades when blended with other dyes
• Pharmaceuticals: tablet coatings, capsule shells, and oral liquid formulations for product differentiation and brand identification
• Personal care and cosmetics: shampoos, bath products, and soaps needing a stable, water-soluble yellow colorant
• Textile and paper dyeing: uniform yellow shades on cellulose substrates and paper pulp coloring
• It delivers bright yellow hues with strong tinctorial strength for batch-to-batch color matching.

Commercial specifications

• Food-grade material to FCC and E102 specifications