from the GNU version of the Collaborative International Dictionary of English

  • n. A fragrant liquid substance, a mixture of several isomers of the formula C14H22O, forming the essence of the violet fragrance, commonly isolated from orris oil or from the rhizomes of Iris. The main ingredient in violets is α-irone, which occurs as both cis and trans stereoisomers. Called also 6-methylionone.

from The Century Dictionary and Cyclopedia

  • n. 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.


Sorry, no etymologies found.


  • The particular orris butter in question had 15% irone, which is almost the highest irone content one can hope for sometimes, 20% irone is available.

    Orchid, Pudding, Perfume: The Sahleb Story

  • Nature does not do too well, but at least it has never mis-spelled (or mis-spoke) "iron" as "irone".


  • On the basis of this formulation of irene and the production of ββγ-trimethyl pimelic acid by ozonization of irone, structural formulæ have been postulated for this ketone by Ruzicka and his co-workers.


  • A new batch, however, with a new crop of orris butter 15% irone was prepared recently and will be available in a few weeks' time once it is matured.

    Archive 2009-02-01

  • The reason Sahleb is launched as an exclusive limited edition is because unfortunately I'm nearly out of the key ingnredient in it, a very high quality Florentine orris butter with 15% irone, with a creaminess that I have never encountered in any other orris butter, and cannot for the life of me restock it.

    Autumn Lists

  • I have received a new shipment of orris butter with 15% irone, but unfortunately it does not scrape the bottom of the quality of the one used for Sahleb.

    Archive 2008-12-01

  • And of course, Sahleb and the upcoming (2009) perfume The Purple Dress will bear the same price, reflecting the high concentration of rare essences that goes into their disctinc scent (orris with 15% irone and ambrette seed in Sahleb and red & golden champaca in The Purple Dress).

    Archive 2008-11-01

  • Each bottle of 9ml parfum extrait contains 20% orris butter with 15% irone the molecule that makes it smell so creamy, dreamy and violet-like, retailing for $160.

    News from the Nose

  • So it was only natural that I would use the obviously milky butter essence, and the haunting orris butter with 15% irone.

    Orchid, Pudding, Perfume: The Sahleb Story

  • Lastly, the yield is relatively low which makes it prohibitive; yet at the same time, the presence of irone, a violet-like molecule similar in its aroma to ionone, makes it invaluable in perfumery.

    Archive 2008-10-01


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