What is E516?

Calcium sulfate is an inorganic salt with the chemical formula CaSO4. It occurs in several hydrated forms; the anhydrous state is a white crystalline solid often found in evaporite deposits. E516 sits in the E500–E599 series, which in the EU classification mainly covers acidity regulators and anti-caking agents.

What is E516 used for?

E516 belongs to the firming agents group. Firming agents keep fruit and vegetables firm when preserved.

Is E516 safe?

E516 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 E516 appears on labels

On food packaging you'll find E516 either as the number “E516” or by the name “Calcium sulphate” 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 E516 vegan?

Yes, E516 is suitable for vegans.