Alpha-pyrone (2H-pyran-2-one) has a soft, sweet-hay coumarinic character with creamy coconut-lactonic and mildly herbaceous facets. It reads like a lighter, more diffusive cousin of coumarin, with a smooth tobacco-hay warmth and a subtle nutty-milky undertone.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 1220.
Colorless or pale straw-colored oily liquid.
Very slightly soluble in water, soluble in alcohol and oils.
Pleasant hay-like, herbaceous-warm odor of moderate to poor tenacity.
This ketone has been suggested for use in perfume compositions as a modifier for Coumarin and coumarinic materials. It would undoubtedly be a valuable candidate for further experiments in Fougéres, Chypres, Lavender and Citrus compositions.
Produced from Diethyl oxalate plus Ethyl crotonate via 2-Pyrone-6-carboxylic acid. Decarboxylation of that acid yields the title ketone.