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Is Isopentenone Butyleneglycol Cyclic Acetal vegan?

Isopentenone Butyleneglycol Cyclic Acetal

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Isopentenone Butyleneglycol Cyclic Acetal is a synthetic cyclic acetal used as a fragrance ingredient in perfumery.

Also known as 4,7-Dihydro-2-methyl-2-(3-methylbutyl)-1,3-dioxepin
INCI name Isopentenone Butyleneglycol Cyclic Acetal
CAS number 53338-05-9
EC number 258-487-2
CosIng ID 39676
Last reviewed 9 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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