Allura Red AC

CAS Number
64553-31-7

What is Allura Red AC?

Allura Red AC (CAS 64553-31-7), also known as E129 and FD&C Red 40, is a synthetic azo dye used to impart red-to-orange coloration in food, pharmaceutical, and cosmetic products.

Where is Allura Red AC used?

  • Food and beverage: colors confectionery, soft drinks, desserts, and snacks
  • Pharmaceuticals: oral solid dosage forms such as tablets, capsules, and syrups for color coding and patient compliance
  • Personal care: rinse-off and leave-on formulations including shampoos, soaps, and cosmetics
  • Processed foods: sauces, condiments, and flavored dairy products
  • It is approved across major regulatory frameworks including the EU and US.

Good to know: Granulated forms are preferred where dust control in production environments is a priority.

Commercial specifications

  • Pharmaceutical-grade material compliant with relevant pharmacopoeial standards

Other Names (Synonyms)

C.i. food red 17|Allura red|E129

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