What is E522?
E522 is Aluminium Potassium Sulphate — a mineral salt, used as a acidity regulator to help control the acidity or alkalinity of food.
What is E522 (Aluminium Potassium Sulphate)?
E522 is the E-number for aluminium potassium sulphate, one of the acidity regulators group of food additives (E500–E599). Additives in this group control the acidity or alkalinity of food. A mineral salt. Like every E-number, E522 has been evaluated and authorised for use in food in the European Union — the 'E' literally stands for Europe, and a number is only granted after a safety assessment. That authorisation doesn't mean every additive suits every diet or that all concerns are settled, which is why we break down the safety, vegan, vegetarian and halal status of E522 in detail below.
Where is E522 found?
E522 is typically used in baked goods, soft drinks, sweets, dairy products and processed foods. You'll find it listed in the ingredients either by its E-number (E522) or by its full name, aluminium potassium sulphate. Common foods that may contain E522 include:
- Baked goods
- Soft drinks
- Sweets
- Dairy products and processed foods
Full guide: foods containing E522 and how to spot it on labels →
Is E522 safe?
E522 is approved for use in the EU, UK and US at regulated levels, but some concerns or conditions apply. For most people, normal dietary exposure to E522 is not considered harmful.
EFSA status: Authorised in the EU — acceptable daily intake (ADI) or conditions of use apply
Source: European Food Safety Authority
Is E522 vegan?
E522 is vegan. A mineral salt, with no animal involvement in standard production.
Full vegan status guide for E522 →Is E522 halal?
E522 is halal. A mineral salt, with no haram source involved.
Full halal status guide for E522 →Frequently Asked Questions
What is E522 in food?
E522 is Aluminium Potassium Sulphate — a mineral salt, used as a acidity regulator to help control the acidity or alkalinity of food.
Is E522 safe to eat?
E522 is approved at regulated levels in the EU, UK and US, but some concerns exist — see the safety section above. Most people can consume it in normal amounts without harm.
Is E522 vegan?
E522 is vegan. A mineral salt, with no animal involvement in standard production.
Is E522 halal?
E522 is halal. A mineral salt, with no haram source involved.
Also check: is this ingredient safe for cats? · safe for dogs? · check the calorie content of foods containing this
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Additive data sourced from Open Food Facts (ODbL licence) and the European Food Safety Authority (EFSA).