Aluminium potassium sulphate
Function: Food Additive
E522 is the European food-additive number for Aluminium potassium sulphate. Aluminium potassium sulphate (E522) is a food additive used as a food additive.
Is E522 safe or restricted?
E522 is approved for use in the EU. It sits among the additives EFSA keeps under ongoing review as new evidence is published. Forkin classifies it as “Under monitoring” and does not make health claims. See the methodology for how regulatory levels are assigned, or the guide to how EU additives are approved, re-evaluated and banned.
Is E522 vegan or vegetarian?
Aluminium potassium sulphate (E522) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians.
The production source can vary between manufacturers — the Forkin app shows the verified vegan and vegetarian status per product. Always read the label for allergens.
Which foods contain E522?
E522 appears in 24 of the 4.7 million products in Forkin's catalogue — most often in pastry, instant noodles and french fries / chips (frozen).
- Pastry3
- Instant Noodles2
- French Fries / Chips (Frozen)2
- Pickled Cucumbers / Gherkins2
- Shrimp / Prawns1
- Corn Snacks1
- Cream-Filled Cookies1
- Bao Buns1
Often appears alongside
Additives most frequently found in the same ingredient lists as E522 across the catalogue.
Counts reflect Forkin's independently enriched product catalogue and update as new products are added — they are not a market-share statistic.
Frequently asked questions about E522
- What is E522?
- E522 is the E-number for Aluminium potassium sulphate. Aluminium potassium sulphate (E522) is a food additive used as a food additive.
- Which foods contain E522?
- E522 appears in 24 of the 4.7 million products in Forkin's catalogue — most often in pastry, instant noodles and french fries / chips (frozen). Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
- Is E522 vegan or vegetarian?
- Aluminium potassium sulphate (E522) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians. The Forkin app shows the verified vegan and vegetarian status per product, since the source can vary between manufacturers.
- Is E522 safe, and is it banned anywhere?
- E522 is approved for use in the EU. It sits among the additives EFSA keeps under ongoing review as new evidence is published. Forkin classifies it as "Under monitoring" and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E522 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it. See view pricing.