Phase behaviour study of chalcone in dense CO2

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Chalcones are a privileged class of compounds reported to have important biologically active properties. Supercritical carbon dioxide can play a promising role in chalcones' processing, either in view of natural compounds extraction or more likely as an alternative solvent in organic chemical reaction. In this work, the phase behaviour of 1,3-diphenyl-2-propenone, the core structure of chalcones, in dense CO2 was explored. The influence of dense carbon dioxide in chalcone melting point was studied for pressures up to 20 MPa. Equilibrium experiments in supercritical CO2 were performed in the pressure range from 9 to 20 MPa, at temperatures between 308 and 338 K.

Original languageEnglish
Pages (from-to)9-15
Number of pages7
JournalJournal of Supercritical Fluids
Issue number1
Publication statusPublished - 1 May 2009


  • Chalcone
  • Chrastil density-based correlation
  • Peng-Robinson equation of state
  • Phase equilibrium
  • Supercritical CO


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