Iso-amyl ketone (diisoamyl ketone / 2,6-dimethyl-4-heptanone) is a light, ethereal ketone with a fruity-banana character reminiscent of amyl acetate, layered over a mild solvent-like green freshness. It reads clean and slightly sweet at low doses but turns harshly solventy if overused.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 88.
Colorless or pale yellowish oily liquid.
Insoluble in water, soluble in alcohol and oils.
Rather sharp, fatty-fruity and sweet odor, reminiscent of Apricot and Orange.
Fruity-fatty taste.
Used occasionally in flavor compositions for imitation Apricot, Peach, Plum, etc.
Produced usually by the “ketonic fission” method from the corresponding bera-keto acid ester, or: from iso-Caprone-dicarboxylic acid with dilute sulfuric acid.