What is E283?

Potassium propanoate or potassium propionate is a chemical compound with the chemical formula K(C2H5COO). It is the potassium salt of propanoic acid. E283 sits in the E200–E299 series, which in the EU classification mainly covers preservatives.

What is E283 used for?

E283 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 E283 safe?

E283 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 E283 appears on labels

On food packaging you'll find E283 either as the number “E283” or by the name “Potassium propionate” 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 E283 vegan?

Yes, E283 is suitable for vegans.