A softer, fruitier take on octanal — the diethyl acetal masks the sharp fatty-aldehyde bite and reveals a fresh orange-peel and lightly waxy citrus character. Diffusive and clean, with a mildly green, slightly winey nuance that lasts longer than the parent aldehyde.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1043.
Colorless liquid.
Practically insoluble in water, soluble in alcohol and oils.
When absolutely free from aldehyde, this material has a pleasant sweet-woody, green and mildly floral odor, often including a winey or ethereal topnote.
This acetal has been suggested for use in perfume compositions as a modifier for woody-floral ingredients in Lilac, Muguet, etc. or as part of the fresh topnote where Cognac oil or similar ingredients are used.
1) from Ethyl alcohol and Octaldehyde by condensation. 2) from Heptylmagnesium bromide and Ethyl orthoformate.