A stabilised, tempered form of heptanal (C-7 aldehyde) — retains the fatty, waxy-green aldehydic character with a citrus-peel and orange-rind facet, but softer and less pungent than the free aldehyde. Over time reveals a clean, slightly oily-fresh nuance useful for citrus lift without the harshness or oxidation risk of straight heptanal.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 621.
Colorless viscous liquid.
Very slightly soluble in water, soluble in alcohol and oils.
Peculiar fungus-like, earthy-sweet odor, not very powerful.
Sweet Mushroom (Champignon)-like taste in proper dilution.
Beyond some possible use in a few rare cases (Hyacinth, etc.), this Acetal is hardly ever used in perfumery.
It finds some use in flavor compositions for imitation Mushroom.
Produced by condensation of Heptaldehyde with Glycerin.