Olfactionary3-Methyl-2,4-nonedione
At a glance
A synthetic aliphatic diketone with a methyl branch, delivering a fresh herbal‑agrestic aroma reminiscent of tea leaves, used to add green, cut‑grass nuances in modern fragrances.
Why synthetics aren't a downgrade — a different toolkit → · Why some materials get IFRA-restricted →