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Is Calcium Hydroxide vegan?

Calcium Hydroxide

Vegan

Calcium hydroxide, also known as slaked lime, is a white powder produced by adding water to calcium oxide (quicklime) derived primarily from limestone. It is used as an acidity regulator, preservative, and processing aid in food and cosmetic applications.

Also known as Hydrated lime, Milk of lime, Portlandite, Slaked lime
E number E526
CAS number 1305-62-0
EC number 215-137-3
Last reviewed 16 April 2026

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