What is E501?

Potassium carbonate is the inorganic compound with the formula K2CO3. It is a white salt, which is soluble in water and forms a strongly alkaline solution. E501 sits in the E500–E599 series, which in the EU classification mainly covers acidity regulators and anti-caking agents.

What is E501 used for?

E501 belongs to the raising agents group. Raising agents make baked goods rise, like baking soda and baking powder.

Is E501 safe?

E501 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 E501 appears on labels

On food packaging you'll find E501 either as the number “E501” or by the name “Potassium carbonates” 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 E501 vegan?

Yes, E501 is suitable for vegans.