A protected form of phenylacetaldehyde — softer and more stable than the free aldehyde. Delivers a green-floral hyacinth character with honeyed, rosy nuances, releasing phenylacetaldehyde slowly for a cleaner, less harsh floral effect.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1082.
Colorless oily liquid.
Almost insoluble in water, soluble in alcohol and oils.
Sweet-green, warm-earthy odor of moderate tenacity.
The title acetal finds use in perfume compositions in combination with Oakmoss and Vetiver, with Lavender and Rose materials, etc. or in special 'green' bases, specialties, etc.
Produced from Trimethyl-trimethyleneglycol (4-Methylpentane-2,4-diol) plus Phenylacetaldehyde by condensation.