What is E280?

Propionic acid is a naturally occurring carboxylic acid with chemical formula CH3CH2CO2H. It is an oily liquid with a pungent and unpleasant smell. E280 sits in the E200–E299 series, which in the EU classification mainly covers preservatives.

What is E280 used for?

E280 belongs to the preservatives group. Preservatives stop food from spoiling by slowing bacteria, mould and yeast. Most are safe, though some people limit certain ones.

Is E280 safe?

E280 is considered safe at the levels used in food and is approved for use in the EU. “Safe” means it is approved in the EU and regarded as safe at the levels used in food.

How E280 appears on labels

On food packaging you'll find E280 either as the number “E280” or by the name “Propionic acid” 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 E280 vegan?

Yes, E280 is suitable for vegans.