A fatty, waxy aldehydic material with a fresh soapy-citrus lift reminiscent of orange peel and clean linen. Undecylenic aldehyde (aldehyde C-11 undecylenic) is greasy-floral on the drydown with a characteristic 'aldehyde brandy' facet used to give lift to florals.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1362.
Colorless viscous liquid, solidifying in the cold.
Insoluble in water, soluble in alcohol and oils.
Very faint, but very tenacious, sweet, fruity-musky odor. Samples of different origin show considerable difference in odor, some have a very dominating 'Phenylacetic' note, which is generally not desirable.
The material is of little interest, and may be practically obsolete already.
Produced from Phenylacetyl chloride and 10-Undecen-ol.