What is E520? Aluminium Sulphate Explained
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E520 is Aluminium Sulphate — a anti caking agent (mineral) used in table salt, icing sugar.
What is E520 (Aluminium Sulphate)?
E520 is Aluminium 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, E520 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 E520 found?
E520 (Aluminium 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 E520 safe?
E520 is authorised in the EU and UK but carries genuine concerns. For most people consuming Aluminium 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 Sulphate — status Some concerns.
Check the calorie content of foods containing E520. If you’re pregnant, see our pregnancy food safety guide.
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E520 FAQs
What is E520 in food?
E520 is Aluminium Sulphate — a anti caking agent (mineral) used in table salt, icing sugar.
Is E520 safe to eat?
E520 is authorised in the EU and UK but carries genuine concerns. For most people consuming Aluminium Sulphate in typical quantities, health effects are unlikely — but the caution flag reflects either
Is E520 vegan?
E520 (Aluminium Sulphate) is vegan. It is derived from mineral, with no animal involvement in standard food production.
Is E520 halal?
E520 (Aluminium 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