salts and related compounds

E525 — Potassium Hydroxide

Acidity regulator

Also known as: Caustic Potash · Potassium Hydroxide

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 Acidity regulator
Found in soft drinks, cocoa processing & more
Source synthetic

School of Thought Breakdown

Hanafi

Permitted

Maliki

Permitted

Shafi'i

Permitted

Hanbali

Permitted

Inorganic - halal as a processing aid.

What to do with this product

Follow these steps in order — most products resolve at step 1 or 2

1

Safe to consume

E525 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

E525 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 E525

Miscellaneous - alkalis 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 E525 made from?

  • synthetic

Foods that commonly contain E525

Food Category Guide

E525 is common in soft drinks — see the full halal guide →

soft drinks cocoa processing some baked goods

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

Frequently Asked Questions

Is E525 (Potassium Hydroxide) halal?

E525 (Potassium Hydroxide) 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 E525 used for?

E525 is used as a acidity regulator in food products.

What foods contain E525?

E525 (Potassium Hydroxide) is commonly found in: soft drinks, cocoa processing, some baked goods.

What is E525 made from?

E525 can be derived from the following sources: synthetic.

What are the other names for E525?

E525 may appear on food labels as: Caustic Potash, Potassium Hydroxide.

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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.