Phellandral is a woody-aldehydic terpene aldehyde with a dry, slightly spicy character reminiscent of cumin and coriander seed with a resinous cedar-like undertone. It has a clean, somewhat herbaceous facet that emerges over drydown, feeling more like a subtle enhancer than a bold statement note.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1070.
Colorless mobile liquid.
Insoluble in water, soluble in alcohol and oils.
Powerful, but not pungent, green-herbaceous odor of spicy-condiment-like type. The odor is often classified as resembling that of Cuminaldehyde, but the author finds that the odor of the title material is much milder and not at all repulsive even at high concentration. It has actually a sweeter character.
This material has been suggested for use in perfume compositions as a fresh-herbaceous, green note in Lavender, Chypre, Fougére and novel variations of the Oakmoss-fruity-green topnote complex, etc.
1) by isolation from Waterfennel oil (mainly d-Phellandral). 2) from iso-Propyl phenol via iso-Propyl-cyclohexanol to the ketone and via the Cyano-derivative to the acid, which is reduced to the title aldehyde, mainly the dl-isomer.