salts and related compounds

E523 — Aluminium Ammonium Sulphate

Firming agent and raising agent

Also known as: Ammonium Alum · Aluminium Ammonium 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.

Function Firming agent and raising agent
Found in baking powder, some confectionery
Source mineral

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

1

Safe to consume

E523 is permissible across all major schools of Islamic thought. No further verification is needed for this specific additive.

Permissible — no verification required
2

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.

Always verify the complete label

You're all clear for this additive

E523 is permissible. Focus your label check on the other E-codes in this product — some may have different statuses.

Scan the full label →
Background & Details

About E523

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 E523 made from?

  • mineral

Foods that commonly contain E523

Food Category Guide

E523 is common in baking powder — see the full halal guide →

baking powder some confectionery

Always check the ingredient label on the specific product - manufacturers may change formulations.

Frequently Asked Questions

Is E523 (Aluminium Ammonium Sulphate) halal?

E523 (Aluminium Ammonium 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 E523 used for?

E523 is used as a firming agent and raising agent in food products.

What foods contain E523?

E523 (Aluminium Ammonium Sulphate) is commonly found in: baking powder, some confectionery.

What is E523 made from?

E523 can be derived from the following sources: mineral.

What are the other names for E523?

E523 may appear on food labels as: Ammonium Alum, Aluminium Ammonium Sulphate.

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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.