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Is Ethyl Crotonate vegetarian?

Ethyl Crotonate

Vegetarian Vegetarian
Vegan Vegan

Ethyl crotonate is a synthetic ester of crotonic acid and ethanol, used as a flavoring and fragrance ingredient.

Also known as Ethyl trans-2-butenoate
INCI name Ethyl Crotonate
CAS number 498-21-5
EC number 234-125-9
CosIng ID 39840
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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