CheckVegan

Is Acetaldehyde Diethyl Acetal vegetarian?

Acetaldehyde Diethyl Acetal

Vegetarian Vegetarian
Vegan Vegan

Acetaldehyde Diethyl Acetal, also known as 1,1-diethoxyethane, is a synthetic acetal compound and a natural flavor component of distilled beverages such as whisky and sherry, used as a flavoring and fragrance ingredient.

Also known as 1,1-Diethoxyethane
INCI name Acetaldehyde Diethyl Acetal
CAS number 105-57-7
EC number 203-310-6
CosIng ID 38998
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