Acetylacetone (2,4-pentanedione) has a sharp, sweet, ketonic odor with buttery-caramel and fermented fruit facets. In dilution it reads as a warm, slightly nutty caramellic note with an acrid diacetyl-like edge; concentrated it is pungent and solvent-like.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 24.
Colorless or very pale yellowish liquid.
Ethereal-minty odor, somewhat metallic or “chemical”.
In high dilution, the flavor in aqueous medium is sweet, remotely reminiscent of Peppermint sweetness.
Produced from Acetone plus Ethyl acetate, or Acetone plus Acetic anhydride (with Borontrifluoride).