E526 — Calcium Hydroxide
Firming agent and acidity regulator
Also known as: Slaked Lime · Hydrated Lime · Calcium 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
Mineral - halal.
What to do with this product
Follow these steps in order — most products resolve at step 1 or 2
Safe to consume
E526 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
E526 is permissible. Focus your label check on the other E-codes in this product — some may have different statuses.
Scan the full label →About E526
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 E526 made from?
- mineral (limestone + water)
Foods that commonly contain E526
Food Category Guide
E526 is common in pickles — see the full halal guide →
Always check the ingredient label on the specific product - manufacturers may change formulations.
Frequently Asked Questions
Is E526 (Calcium Hydroxide) halal?
E526 (Calcium 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 E526 used for?
E526 is used as a firming agent and acidity regulator in food products.
What foods contain E526?
E526 (Calcium Hydroxide) is commonly found in: corn tortillas (nixtamalisation), pickles, sugar refining.
What is E526 made from?
E526 can be derived from the following sources: mineral (limestone + water).
What are the other names for E526?
E526 may appear on food labels as: Slaked Lime, Hydrated Lime, Calcium 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
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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.