Is 5-Methyl-alpha-Ionone vegan?

5-Methyl-alpha-Ionone

Vegan

5-Methyl-alpha-Ionone, also known as alpha-isomethyl ionone, is a synthetically produced fragrance compound with a floral, violet-like scent, widely used in perfumes and cosmetic products.

Also known as 6-Methyl-alpha-ionone, 6-Methylionone, Alpha-Irone, cis-4-(2,5,6,6-Tetramethylcyclohex-2-enyl)but-3-en-2-one; 6-Methylionone; 6-Methyl-alpha-ionone; cis-(2,6)-cis-(2(1),2(2))-alpha-Irone; alpha-Irone
INCI name 5-Methyl-alpha-Ionone
CAS number 127-51-5
EC number 201-219-6
CosIng ID 41312
Last reviewed 9 July 2026

Sources

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