A masked aldehyde with a soft, diffusive green-floral character. The acetal form tames the harshness of iso-valeraldehyde, releasing a rosy, apple-like fruitiness with a hint of hyacinth and a mild aldehydic lift. Cleaner and rounder than the free aldehyde, with a natural floral-fruity warmth.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1367.
Colorless viscous liquid.
Slightly soluble in water, soluble in alcohol and oils.
Heavy, herbaceous-earthy, but overall sweet and tenacious odor. Samples of different origin have shown considerable difference in odor characteristics.
The title material is not commonly offered under its proper chemical name, but often manufactured by the interested party for captive use in perfume and flavor bases.
Produced by condensation of iso-Valeric aldehyde with Phenylethylene glycol preferably using a catalyst (Phosphoric acid, etc.) and a low-boiling solvent for azeotropic removal of water.