A fragrant liquid compound, a mixture of several isomers associated with the formula C14H22O, developing the essence associated with the violet scent, generally separated from orris oil or from rhizomes of Iris. The main ingredient in violets is α-irone, which takes place as both cis and trans stereoisomers. Known as additionally 6-methylionone.
A colorless dextrorotatory oil, , the odoriferous constituent of orris-root. It boils at 144° C. under 16 millimeters pressure. Also called 3, 3, 5 -trimethylcyclohexane (l′ )-4′ -butenylone.