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Is Butyl Laevulinate vegan?

Butyl Laevulinate

Vegan

Butyl Laevulinate (n-Butyl 4-oxopentanoate) is a synthetic ester of levulinic acid and butanol, used as a fragrance ingredient in cosmetics.

Also known as n-Butyl 4-oxopentanoate
INCI name Butyl Laevulinate
CAS number 2052-15-5
EC number 218-143-4
CosIng ID 39147
Last reviewed 4 July 2026

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