Ionone

The ionone (or 4 (2,6,6-trimethyl-1-cyclohexene-1-yl) - 3-butylene-2-one) is a chemical Composé of C13H20O formula, pertaining to the family of the Terpène S and aromatic compounds. With room temperature, it is about a pale yellow liquid to the wooded and fruity odor. It is about one of the basic compounds of the production of Rétinol. It is a mixture of two forms: α-ionone and β-ionone which can be synthesized starting from the Citral and of the Acétone. The ionone of synthesis was obtained for the first time in 1893.

  • α-ionone has a soft odor of the violet. It is resulting from the degradation of the carotene molecules present in cut grass or the Foin. Α-ionone component the is scented natural one of the gasoline of Violette, obtained by extraction of solvents.
The natural violet essence is too expensive to be used as raw material, also the majority of the molecules of ionone used in Parfumerie and in the industry of the food Additif S are industrially manufactured.

  • β-ionone has a green and wooded fruity odor of cedar and raspberry.

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