A powerful fatty aldehyde with a waxy, orange-peel character and a rosy-green undertone. On a blotter it reads as oily-citrus and slightly soapy, developing a clean skin-like facet as it fades.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1016.
Colorless liquid.
Practically insoluble in water, soluble in alcohol and oils.
Delicately green-oily, mildly herbaceous-floral odor of good tenacity.
In flavor compositions, the aldehyde is used for imitation Citrus, particularly Lemon and Mandarin.
This aldehyde is used very extensively, but also very sparingly in volume, in perfume formulations. Trace amounts, often less than 0.1%, are used in Rose, Lily, Peony, Orris, Geranium, Citrus, Orangeblossom, Jasmin, Tuberose, Opopanax and many other fragrance types.
1) from Oleic acid or from Castor oil via Undecylenic acid. 2) by catalytic oxidation of n-Nonanol.