Is Calcium Oxide vegetarian?
Calcium Oxide
Vegetarian
Vegetarian
Vegan
Vegan
Calcium Oxide, also known as quicklime, is an inorganic compound obtained by calcination of limestone (calcium carbonate). It is used as an acidity regulator and processing aid in food and cosmetic products.
| Also known as | Burnt lime, Calx, Lime, Quicklime |
|---|---|
| INCI name | Calcium Oxide |
| E number | E529 |
| INS number | 529 |
| CAS number | 1305-78-8 |
| EC number | 215-138-9 |
| CosIng ID | 74908 |
| Last reviewed | 22 April 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.