Is 3-Isopentenyl 2-Isopentenoate vegan?

3-Isopentenyl 2-Isopentenoate

Vegan

3-Isopentenyl 2-Isopentenoate is a synthetic ester used as a fragrance ingredient in cosmetics.

Also known as 3-Methyl-3-butenyl 3-methyl-2-butenoate
INCI name 3-Isopentenyl 2-Isopentenoate
CAS number 72928-35-9
EC number 277-069-0
CosIng ID 39680
Last reviewed 4 July 2026

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.