A softer, mellower version of octanal (C-8 aldehyde) — the dimethyl acetal form tames the sharp fatty-citrus bite into a smoother orange-peel and clean waxy-aldehydic character. Fresh and slightly soapy on top, with a rounded citrus-rind facet 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.
Powerful oily-green and waxy-citrusy odor of poor tenacity.
The Acetal is used in flavor compositions for imitation Orange, Lemon, Melon, Coconut, in fruit complexes, Liqueur flavors, Cognac imitations, etc.
It could be used as part of a topnote complex for Citrus type colognes, or as part of an aldehydic-waxy complex for delicate floral bases.
The normal concentration is about 0.5 to 55 ppm in the finished product.
Produced by condensation of Octaldehyde with Methanol, e.g. using dry Hydrogen chloride gas as a dehydrating agent.