salts and related compounds

E520 — Almunium sulphate

Firming agent

Also known as: Alum · Aluminium 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
Found in pickles (keeps them crisp), baking powder
Source mineral (aluminium + sulphuric acid)

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

E520 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

E520 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 E520

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 E520 made from?

  • mineral (aluminium + sulphuric acid)

Foods that commonly contain E520

Food Category Guide

E520 is common in baking powder — see the full halal guide →

pickles (keeps them crisp) baking powder

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

Frequently Asked Questions

Is E520 (Almunium sulphate) halal?

E520 (Almunium 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 E520 used for?

E520 is used as a firming agent in food products.

What foods contain E520?

E520 (Almunium sulphate) is commonly found in: pickles (keeps them crisp), baking powder.

What is E520 made from?

E520 can be derived from the following sources: mineral (aluminium + sulphuric acid).

What are the other names for E520?

E520 may appear on food labels as: Alum, Aluminium 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.