E-code guide
E525Potassium Hydroxide
HalalAcidity regulator
E525

Potassium Hydroxide

Acidity regulator

SANHA and MUIS all classify this as halal.
Based on 2 cited authorities. Confidence: medium.

What authorities say

2 authorities on record
2say Halal

Why this verdict

E525 is potassium hydroxide, an acidity regulator used in food processing and cocoa products. SANHA and MUIS both classify E525 as halal. MUIS notes it is industrially prepared by electrolysis of potassium chloride. E525 is halal.

Common questions

Is E525 halal?

Potassium Hydroxide (E525) is classified halal. SANHA and MUIS classify it as halal.

What is E525 made from?

Potassium Hydroxide (E525) is a mineral.

Based on 2 cited authorities. Verdict may be revised as more positions are added.
Last reviewed by the HalalHQ research team in June 2026.