What is E522? Aluminium Potassium Sulphate Explained
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E522 is Aluminium Potassium Sulphate — a anti caking agent (mineral) used in table salt, icing sugar.
What is E522 (Aluminium Potassium Sulphate)?
E522 is Aluminium Potassium Sulphate, a food additive classified as a anti-caking agent that prevent powders and granules clumping. A anti caking agent (mineral) used in table salt, icing sugar. You'll find it in table salt, icing sugar, dried soups and many other packaged foods. Like every E-number, E522 has been authorised for use in food following an EFSA safety evaluation — though authorisation doesn't mean concern-free, as the safety section below explains.
Where is E522 found?
E522 (Aluminium Potassium Sulphate) is found in table salt, icing sugar, dried soups, baking powder, powdered drinks, seasoning mixes.
- table salt
- icing sugar
- dried soups
- baking powder
- powdered drinks
- seasoning mixes
Is E522 safe?
E522 is authorised in the EU and UK but carries genuine concerns. For most people consuming Aluminium Potassium Sulphate in typical quantities, health effects are unlikely — but the caution flag reflects either active scientific debate, mandatory warning labels, allergen status, or conditions attached to its authorisation.
EFSA opinion: Aluminium Potassium Sulphate — status Some concerns.
Check the calorie content of foods containing E522. If you’re pregnant, see our pregnancy food safety guide.
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E522 FAQs
What is E522 in food?
E522 is Aluminium Potassium Sulphate — a anti caking agent (mineral) used in table salt, icing sugar.
Is E522 safe to eat?
E522 is authorised in the EU and UK but carries genuine concerns. For most people consuming Aluminium Potassium Sulphate in typical quantities, health effects are unlikely — but the caution flag refle
Is E522 vegan?
E522 (Aluminium Potassium Sulphate) is vegan. It is derived from mineral, with no animal involvement in standard food production.
Is E522 halal?
E522 (Aluminium Potassium Sulphate) is halal. It is derived from mineral, which involves no haram sources.
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Also check: safe for cats? · safe for dogs? · calorie checker · medication interactions
Data: Open Food Facts (ODbL) · EFSA