Alpha-Amyl Acrolein (2-methylene-heptanal) is a sharp, pungent green-aldehydic material with an oily, fatty character reminiscent of unsaturated aldehydes. It has a penetrating herbal-fruity top note that can read as cucumber-peel or crushed leaf when heavily diluted, but is aggressively acrid at higher concentrations.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 62.
Colorless liquid.
Insoluble in water, soluble in alcohol and oils.
Peculiar green-leafy, "foliage" type odor, not as "fatty" as Octanal.
The subject chemical finds some use in perfumery, mostly in the reconstruction of important topnotes in (artificial) essential oils.
Produced by condensation of Hexaldehyde with Acetaldehyde.