What is E 552?
E 552 is the E number of Calcium silicate. Mineral anti-caking agent, for example for salt and baking powder.
What is E 552 used for?
E 552 belongs to the group "Other additives" and is used as anti-caking agent.
- Anti-caking agent: Anti-caking agents stop particles of a food from sticking together or forming lumps.
Which foods may contain E 552?
According to the European Commission's database, E 552 may be used in 17 food categories and subcategories, each only in specific products and usually with maximum levels. The categories come from these areas:
- Dairy products and analogues
- Fats and oils and fat and oil emulsions
- Confectionery
- Sugars, syrups, honey and table-top sweeteners
- Salts, spices, soups, sauces, salads and protein products
- Food supplements
Is E 552 vegan?
Usually yes: the substance is normally made from plant, mineral or synthetic raw materials or with microorganisms. In individual cases, only the manufacturer or a vegan label can give certainty.
Is E 552 linked to genetic engineering?
No typical link to genetic engineering is known for this substance: it is not usually obtained from plants for which GM varieties exist, nor produced by fermentation.
How does E 552 appear on the label?
In the list of ingredients, the substance appears with its function, followed by the E number or the name, for example "Anti-caking agent: E 552" or "Anti-caking agent: Calcium silicate".
Sources
- Regulation (EC) No 1333/2008, consolidated version of 18.08.2026, Annexes I and II, EUR-Lex
- Food Additives Database, European Commission (accessed 19 October 2026)