E-Number Index
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E129

Allura Red AC

Also known as: Allura Red, FD&C Red 40 (US)

Approved with restrictions
Color

Components / composition

Synthetic azo dye (disodium 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfonatophenyl)azo]-2-naphthalenesulfonate).

Common usage in food

Red coloring in beverages, confectionery, and processed foods.

Effects on human health

Part of EU attention/hyperactivity warning group for specified dyes in children's products.

Risks & considerations

Rare hypersensitivity reactions. Azo dye intolerance possible.

Regulatory approval (EU)

Permitted in the EU with labelling requirements for certain dye combinations.

US regulatory status (FDA)

Allura Red AC is approved in the U.S. as the certified color FD&C Red No. 40. It is among the most widely used synthetic food colors in the U.S. and requires FDA batch certification. EU hyperactivity-related warnings for certain dye combinations do not apply under U.S. law.

Permitted amounts / regulatory limits (EU)

Food-category maximum levels in EU Annex II Part E.

Acceptable Daily Intake (ADI)

0–7 mg/kg body weight per day (JECFA).

Sources & citations