What is E527?

Ammonia solution is a solution of ammonia in water. Alternatively, it is known as ammonia water, ammonium hydroxide, ammoniacal liquor, ammonia liquor, liquid ammonia, aqua ammonia, aqueous ammonia, or (inaccurately, nevertheless commonly referred to as) simply ammonia. E527 sits in the E500–E599 series, which in the EU classification mainly covers acidity regulators and anti-caking agents.

What is E527 used for?

E527 belongs to the acids & acidity regulators group. Acids and acidity regulators adjust taste and shelf life, such as citric acid (E330).

Is E527 safe?

E527 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 E527 appears on labels

On food packaging you'll find E527 either as the number “E527” or by the name “Ammonium hydroxide” 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 E527 vegan?

Yes, E527 is suitable for vegans.