Geranic acid has a green, waxy-fatty odor with a mildly sour, acidic edge and a soft rosy-geranium undertone. Somewhat tallowy and herbal in character, it lacks the bright citrus lift of geraniol and instead sits closer to a dry, oily green facet.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 586.
Colorless liquid, slightly viscous, and increasing in viscosity with age or exposure to air and daylight.
Insoluble in water, soluble in alcohol and oils.
Mild, green-floral, also slightly weedy, but overall fresh and clean odor with woody undertones. It bears some resemblance to the odor of Geraniol tail fractions.
This acid, only recently marketed on a commercial scale, has been suggested for use in imitation Geranium oil and in other artificial essential oils. It is particularly interesting in assisting the peculiar undertones in Clary Sage oil (artificial). In general, it introduces a certain amount of “lasting lift” to a fragrance, and it blends with floral as well as with non-floral types, although it is much easier to apply to the herbaceous and woody types.
1) from 2-Methylhepten-2-one-6 with Iodo- or Bromoacetic ester and a Zinc type catalyst. 2) by oxidation of Citral.