Raw crushed-leaf sharpness — the molecular essence of snapped stems and torn grass. Hexenyl green is cis-3-hexenol territory: wet, vegetal, intensely alive.
Wet, raw, intensely vegetal — the exact smell of a freshly torn leaf. Sharp and almost metallic in its greenness. Cis-3-hexenol is the most aggressive: wet grass, cut stems, sap. Its esters (acetate, salicylate) are softer. Like mowing a lawn in morning dew — that first, piercing green that hits before everything settles.
Essentially gone — these are highly volatile top-note molecules
The Full Story
Hexenyl green is a perfumery descriptor for the family of C6 molecules (six-carbon compounds) that produce the characteristic fresh-cut-grass, crushed-leaf smell. The primary molecules are cis-3-hexenol (leaf alcohol, CAS 928-96-1), cis-3-hexenyl acetate (leaf acetate), and trans-2-hexenal (leaf aldehyde).
These molecules are not minor ingredients — they are among the most important green materials in contemporary use. Cis-3-hexenol is the single most recognizable green odorant, with an extremely low detection threshold. It is the smell of freshly damaged plant tissue — produced enzymatically from membrane lipids (linolenic acid) when leaves are torn or crushed.
The hexenyl green family provides graduated intensity: cis-3-hexenol is the most raw and wet; cis-3-hexenyl acetate is softer and more rounded; cis-3-hexenyl salicylate adds a floral-green dimension; cis-3-hexenyl butyrate introduces a fruity-green note.
In composition, these molecules function as top-note green modifiers, providing the illusion of freshness, naturalness, and outdoor air.
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Cis-3-hexenol is a chemical SOS signal — when one plant releases it from damaged leaves, neighboring plants detect it and begin producing their own defensive compounds (protease inhibitors) within minutes, even before they are attacked.
Extraction & Chemistry
Extraction method: Commercially synthesized — cis-3-hexenol is produced industrially via isomerization of hexenol isomers or from petrochemical precursors. In nature, it is produced by the lipoxygenase pathway when plant cell membranes are disrupted. The esters (acetate, salicylate) are made by standard esterification of cis-3-hexenol.
Molecular Formula
C₆H₁₂O (cis-3-hexen-1-ol)
CAS Number
928-96-1 (cis-3-hexen-1-ol, the primary "leaf alcohol" reference)
Hexenyl green refers to the C6 green molecule family centered on cis-3-hexenol (leaf alcohol). Functions as a top-note green modifier at micro-dosages (0.1-1% of formula). Provides raw vegetal freshness and naturalistic character. Cis-3-hexenol: most raw. Cis-3-hexenyl acetate: softer, more rounded. Cis-3-hexenyl salicylate: floral-green. Used across all fragrance families wherever green freshness is needed. Foundational to green chypres, herbaceous compositions, and naturalistic accords.
