CheckVegan

Is Sodium Dehydroacetate vegetarian?

Sodium Dehydroacetate

Vegetarian Vegetarian
Vegan Vegan

Sodium Dehydroacetate is the sodium salt of dehydroacetic acid, a synthetic heterocyclic compound used as a preservative in food, cosmetics and personal care products effective against a broad range of bacteria and fungi.

Also known as Sodium 1-(3,4-dihydro-6-methyl-2,4-dioxo-2H-pyran-3-ylidene)ethanolate, Sodium dehydroacetate
INCI name Sodium Dehydroacetate
E number E266
INS number 266
CAS number 4418-26-2
EC number 224-580-1
CosIng ID 37851
Last reviewed 9 July 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.

Report an issue