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.
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
Safe to consume
E525 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
E525 is permissible. Focus your label check on the other E-codes in this product — some may have different statuses.
Scan the full label →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 →
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.
salts and related compounds — 52 E-codes: 47 Halal, 0 Haraam, 5 Mushbooh
Related E-Codes in salts and related compounds
Show 9 more salts and related compounds E-codes
Free weekly guide
Know before you eat — wherever you are
Join Muslims worldwide who get our weekly halal food guide — ingredient alerts, certified brand updates, and products your family can buy without second-guessing.
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.
