Gamma-Iso-Methyl Ionone, with CAS number 1335-46-2, is a synthetic aroma chemical known for its floral and woody scent profile. It is often used in perfumery to impart a violet-like nuance, making it a popular choice in floral compositions as well as in more complex blends. This ingredient typically sits in the heart or base of a fragrance formula, where it can enhance the overall depth and richness of the scent. In addition to its olfactory properties, Gamma-Iso-Methyl Ionone is subject to regulatory scrutiny, particularly under IFRA guidelines, due to its potential allergenic effects. Perfumers should be aware of these considerations when formulating with this ingredient, ensuring compliance with safety standards and consumer protection regulations. Its versatility allows it to be used in a variety of fragrance types, from light and airy florals to deeper, more sophisticated accords. — AI-generated summary, 2026-09-02.
A soft, warm violet-woody floral with a creamy powdery character reminiscent of orris and iris. Gamma-isomethyl ionone is smoother and more refined than the alpha isomer, with a rounded cedarwood facet and a subtle sweetness that lends elegance to floral accords.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 897.
Pale straw-colored or almost colorless oily liquid
Its odor has some similarity to that of the presently desirable isomer, alpha-iso-Methyl-ionone.