Propione (diethyl ketone) has a sharp, ethereal ketonic odor with a sweet fruity-green undertone reminiscent of acetone but softer and slightly minty. It flashes off quickly, leaving a faint sweet impression.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1162.
Colorless liquid.
Soluble in water, soluble in propylene glycol and glycerin, miscible with alcohol and oils.
Pleasant, ethereal-warm, diffusive odor, milder than that of acetone, but similar in character.
Occasionally used as part of a masking odor for industrial purposes, or as co-solvent in masking odor compositions where poorly soluble terpenes etc. are components.
Otherwise rarely used in perfumes and not used in flavor compositions.
1) from propyl alcohol. 2) from propionic acid.