E521 — Alimunium Sodium Sulphate
Raising agent in baking powder
Also known as: SAS · Sodium Alum · Aluminium Sodium Sulphate
Permissible
Yes — Halal
Generally accepted as halal. This additive is typically derived from plant or synthetic sources and does not contain any prohibited ingredients according to Islamic dietary laws.
School of Thought Breakdown
Hanafi
Permitted
Maliki
Permitted
Shafi'i
Permitted
Hanbali
Permitted
Mineral - halal.
What to do with this product
Follow these steps in order — most products resolve at step 1 or 2
Safe to consume
E521 is permissible across all major schools of Islamic thought. No further verification is needed for this specific additive.
Still check the rest of the ingredients list
Other E-codes on the same label may have a different halal status. Use our database or scanner to verify each one.
You're all clear for this additive
E521 is permissible. Focus your label check on the other E-codes in this product — some may have different statuses.
Scan the full label →About E521
Chemical Generally accepted as halal. This additive is typically derived from plant or synthetic sources and does not contain any prohibited ingredients according to Islamic dietary laws.
What is E521 made from?
- mineral
Foods that commonly contain E521
Food Category Guide
E521 is common in baking powder — see the full halal guide →
Always check the ingredient label on the specific product - manufacturers may change formulations.
Frequently Asked Questions
Is E521 (Alimunium Sodium Sulphate) halal?
E521 (Alimunium Sodium Sulphate) is classified as Halal. Generally accepted as halal. This additive is typically derived from plant or synthetic sources and does not contain any prohibited ingredients according to Islamic dietary laws.
What is E521 used for?
E521 is used as a raising agent in baking powder in food products.
What foods contain E521?
E521 (Alimunium Sodium Sulphate) is commonly found in: baking powder, some baked goods.
What is E521 made from?
E521 can be derived from the following sources: mineral.
What are the other names for E521?
E521 may appear on food labels as: SAS, Sodium Alum, Aluminium Sodium Sulphate.
salts and related compounds — 52 E-codes: 47 Halal, 0 Haraam, 5 Mushbooh
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This information is for educational purposes only. For religious rulings, consult a qualified Islamic scholar or halal certification authority. E-code classifications may vary by source, manufacturing process, and school of thought.