What is E554?

Sodium aluminosilicate refers to compounds which contain sodium, aluminium, silicon and oxygen, and which may also contain water. These include synthetic amorphous sodium aluminosilicate, a few naturally occurring minerals and synthetic zeolites. E554 sits in the E500–E599 series, which in the EU classification mainly covers acidity regulators and anti-caking agents.

What is E554 used for?

E554 belongs to the anti-caking agents group. Anti-caking agents stop powders clumping, as in salt and spices.

Is E554 safe?

E554 is rated “moderate”. It is approved for use in food, but some people prefer to limit it. “Moderate” means it is approved, but is debated or something some people prefer to limit.

How E554 appears on labels

On food packaging you'll find E554 either as the number “E554” or by the name “Sodium aluminium silicate” in the ingredient list, often after its function. Ingredients are listed in descending order by weight, so an additive near the end is present only in small amounts.

Is E554 vegan?

Yes, E554 is suitable for vegans.