Nonyl aldehyde (aldehyde C-9) is a powerful fatty-waxy aldehyde with a rose-orange, slightly citrus character. Fresh and clean at high dilution, becoming greasy-soapy and candle-wax like when overdosed.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1030.
Colorless oily liquid.
Insoluble in water, soluble in alcohol and oils.
Its peculiar sweet-rosy, delicately earthy-oily odor supplies a very attractive undertone in Orange flavor compositions.
Its taste is considerably improved in the presence of a mild food acid.
The concentration normally applied is from 0.05 to 2 ppm in the finished consumer product.
Produced by azeotropic esterification of n-Nonanol with n-Octanoic acid.