Delayed release of a fragrance from novel ionic liquids

Federico Maria Ferrero Vallana, Lynette A. M. Holland, Kenneth R. Seddon, Oreste Todini

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


When organic molecules are dissolved in ionic liquids (which have no effective vapour pressure), the vapour–liquid equilibria (as measured by infrared spectroscopy of the gas phase) revealed significant deviation from Raoult’s law for a wide range of perfume raw materials. Previously, we had demonstrated
a positive deviation from Raoult’s law, enhancing the vapour pressure of the organic components. Here we developed a designed strategy for the ionic liquids which induces a negative deviation from Raoult’s law, hence depressing the vapour pressure of the organic solutes.
Original languageEnglish
Pages (from-to)1037 -1045
Number of pages9
JournalNew Journal of Chemistry
Early online date23 Dec 2016
Publication statusPublished - 2017


  • Fragrance release
  • ionic liquids


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