What is E 536?
E 536 is the E number of Potassium ferrocyanide. Anti-caking agent for salt and salt substitutes that prevents clumping.
What is E 536 used for?
E 536 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 536?
According to the European Commission's database, E 536 may be used in 2 food categories and subcategories, each only in specific products and usually with maximum levels. The categories come from these areas:
- Salts, spices, soups, sauces, salads and protein products
Is E 536 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 536 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 536 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 536" or "Anti-caking agent: Potassium ferrocyanide".
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)