Is E521 Halal?
E521 (Aluminium Sodium Sulphate) is considered halal. It is a mineral salt, with no pork, non-halal meat or alcohol involved in its production.
Why is E521 halal?
A mineral salt. Plant-derived, mineral and synthetic additives are permissible (halal) in Islam by default, since the prohibition applies to pork, improperly slaughtered animals, blood and intoxicants.
Frequently Asked Questions
Is E521 permissible in Islam?
Yes — E521 is permissible. It contains no pork derivatives, no alcohol and no meat from animals not slaughtered according to Islamic law.
How do I know if E521 in a product is halal-certified?
Look for a halal certification logo on the packaging from a recognised halal certifying body. If the product has no halal logo and contains E521, contact the manufacturer to verify the source.
Is E521 suitable for a halal diet?
Yes, E521 is suitable for a halal diet. As always, check the rest of the product's ingredients, since a single halal additive doesn't make the whole product halal.
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Halal food guides
Reference guides to halal and haram ingredients.
Halal status information is provided for general guidance only — always check for official halal certification from a recognised certifying body. Additive data sourced from Open Food Facts (ODbL licence).