Synthesis: By condensation of cyclogeranic aldehyde with acetone, followed by separation from the (3-ionone-rich reaction mixture.
Colorless to pale yellow liquid. Has a warm woody, violet, and brandy aroma. Boiling point: 131°C (1733 Pa), flash point: 104°C. Found naturally in tomatoes.
4-(2,2-Dimethyl-6-methylenecyclohexyl)-3-buten-2-one is an aroma compound found as an analyte in food products such as raspberry juice, Sophora japonica oil and in Osmanthus flowers. 4-(2,2-Dimethyl-6-methylenecyclohexyl)-3-buten-2-one is also used as a flavouring substance.
ChEBI: Gamma-ionone is an ionone.
