What is E210?

Benzoic acid is a white or colorless crystalline organic compound with the formula C6H5COOH, whose structure consists of a benzene ring with a carboxyl substituent. The benzoyl group is often abbreviated "Bz", thus benzoic acid is also denoted as BzOH, since the benzoyl group has the formula −C6H5CO. E210 sits in the E200–E299 series, which in the EU classification mainly covers preservatives.

What is E210 used for?

E210 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 E210 safe?

E210 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 E210 appears on labels

On food packaging you'll find E210 either as the number “E210” or by the name “Benzoic 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 E210 vegan?

Yes, E210 is suitable for vegans.