A protected form of hydratropaldehyde (phenylpropanal) as its ethylene glycol acetal — smoother and less harsh than the free aldehyde. Smells green-floral with a clear hyacinth and leafy character, mildly sweet, with fresh aldehydic nuances. The acetal masking gives it better stability and a rounder, less pungent profile than the parent aldehyde.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 705.
Colorless oily liquid.
Almost insoluble in water, soluble in alcohol and oils.
Very earthy, sweet-green or musty, but delicate odor resembling that of Mushroom (Champignon).
Slightly bitter, Mushroom-like, exactly pleasant taste.
This Acetal is one of the most commonly used of the cyclic Acetals of Hydratropaldehyde. In spite of its very peculiar odor, it finds