A powerfully green, unripe violet-leaf note with a metallic, oily edge reminiscent of crushed cucumber peel and mown grass. Sharp and diffusive on first sniff, it settles into a slightly fatty, earthy-mushroomy undertone characteristic of the alkyne carbonate family.AI · claude-opus-4-7
Composition, IFRA restriction figures, allergen concentrations and where this material is bought are part of Perfume Foundry’s curated library and need an account. Create one or sign in.
Perfume and Flavor Chemicals, page 876.
Colorless or very pale straw-colored liquid.
Almost insoluble in water, soluble in alcohol and oils, almost insoluble in propylene glycol and glycerin.
Very powerful, penetrating vegetable-green foliage type odor of moderate to poor tenacity.
The subject material finds some use in flavor compositions, mainly for cucumber, berry-complexes, fruit blends, peach imitation, liqueur flavorings, various floral flavors, muscatel flavors, etc.
This acetylenic ester was once the ideal material for violet-foliage and fresh-green vegetable odors, cucumber odor, etc. However, it still finds use in many perfume compositions, not only in violet and cucumber.
The concentration is normally about 0.1 to 2 ppm, but in chewing gum it may reach 10 to 20 ppm.
Produced from heptyne or from n-heptanal via heptylidene chloride and by reduction to heptyne which is carboxylated to the acid from which the ester is prepared.