E-code guide
E526Calcium Hydroxide
HalalFirming agent
E526

Calcium 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

E526 is calcium hydroxide (slaked lime), a firming agent and acidity regulator used in tortillas, sugar processing, and pickling. SANHA and MUIS both classify E526 as halal. MUIS notes it is prepared by the hydration of lime. E526 is halal.

Common questions

Is E526 halal?

Calcium Hydroxide (E526) is classified halal. SANHA and MUIS classify it as halal.

What is E526 made from?

Calcium Hydroxide (E526) 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.