What is E431?

E431 (Polyoxyethylene (40) stearate) is a emulsifiers food additive. Synthetic emulsifier. E431 sits in the E400–E499 series, which in the EU classification mainly covers thickeners, stabilisers and emulsifiers.

What is E431 used for?

E431 belongs to the emulsifiers group. Emulsifiers help water and fat mix, found in everything from chocolate to bread. Most are considered safe.

Is E431 safe?

E431 is rated “moderate”. It is approved for use in food, but some people prefer to limit it. “Moderate” means it is approved, but is debated or something some people prefer to limit.

How E431 appears on labels

On food packaging you'll find E431 either as the number “E431” or by the name “Polyoxyethylene (40) stearate” in the ingredient list, often after its function. Ingredients are listed in descending order by weight, so an additive near the end is present only in small amounts.

Is E431 vegan?

Yes, E431 is suitable for vegans.