A creamy, fatty aldehydic material with a soft rose-geranium facet and a waxy, slightly soapy body. Less sharp than straight nonanal — the hydroxyl group tempers the citrus-metallic bite into something rounder and more floral, with a persistent oily-clean drydown.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 732.
Colorless or very pale straw-colored oily liquid.
Insoluble in water, soluble in alcohol and oils.
Oily-pungent, somewhat cheesy-nut-like odor, overall rather unpleasant. The herbaceous notes are concealed in an oily character which leans toward the rancid note.
This aldehyde has been suggested for use in flavor compositions, e. g. Cheese, Nut, Butter, etc. but does not seem to have attained any success in this field.
Produced by Aldol-condensation of Acetaldehyde and Heptaldehyde.