Beta-hydroxypropionic aldehyde diethylacetal (3-hydroxypropanal diethyl acetal) is a mild, fresh green aromachemical with a soft aldehydic-fruity nuance. In isolation it reads as clean and slightly herbal, with a subtle sweetness and none of the sharp bite of free aldehydes — the acetal masking softens it considerably.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 735.
Colorless oily liquid.
Almost insoluble in water, soluble in alcohol and oils.
Sweet-floral, almost rosy and slightly musty-woody odor of moderate to good tenacity.
Suggested for use in perfume compositions as a modifier in Rose fragrances, also for soap perfumes. It gives more sweetness than the Pheny! and Tolyl ethers and less of the 'metallic-green' note of those materials.
Produced from Benzylalcohol plus beta-Hydroxypropionic aldehyde diethylacetal.