Emulsifiers & thickeners · Food additive

Aluminium ammonium sulphate (E523)

Updated October 2, 2026

Aluminium ammonium sulphate (E523) is a food additive in the “emulsifiers & thickeners” group. It appears in 41 products in our database, 38 of them sold in the US.

Quick facts

Also known as
E523
E-number
E523
Function
Emulsifiers & thickeners
Found in
41 products (38 sold in the US)

Foods that commonly contain Aluminium ammonium sulphate

Biscuits 0% · 26
Confectioneries 0% · 3
Frozen seafood 0% · 1
Cake mixes 0% · 1
Noodles 0% · 1

Share of published products in each category whose ingredient list includes Aluminium ammonium sulphate.

Popular products with Aluminium ammonium sulphate

Aluminium ammonium sulphate-free alternatives

Popular products from the same categories that don't list Aluminium ammonium sulphate and score Nutri-Score A–C.

How to spot Aluminium ammonium sulphate on a label

Look for any of these names in the ingredient list:

Aluminium ammonium sulphateE523

Related additives

Frequently asked questions

What foods contain Aluminium ammonium sulphate?

In our database, Aluminium ammonium sulphate most often appears in biscuits, confectioneries, baking decorations and frozen seafood.

How many products contain Aluminium ammonium sulphate?

41 published products on Foodmetria list Aluminium ammonium sulphate, including 38 sold in the United States. Counts come from ingredient lists in Open Food Facts and update daily.

Product data: Open Food Facts (ODbL), updated daily. Additive information is for general education and is not medical advice. Always check the package label. Our methodology.