Temperature dependency of aqueous biphasic systems: an alternative approach for exploring the differences between Coulombic-dominated salts and ionic liquids

E Silva FA 1 , Pereira JFB 2 , Kurnia KA 3 , Ventura SPM 1 , Silva AMS 4 , Rogers RD 5 Show all authors , Coutinho JAP 1 , Freire MG 1

Affiliations 

  • 1 CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal. maragfreire@ua.pt
  • 2 Universidade Estadual Paulista (UNESP), School of Pharmaceutical Sciences, Câmpus (Araraquara), Department of Bioprocess and Biotechnology, Araraquara, SP 14800-903, Brazil. jfbpereira@fcfar.unesp.br
  • 3 Department of Chemical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak 32610, Malaysia
  • 4 QOPNA, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
  • 5 Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, QC H3A 0B8, Canada
Chem Commun (Camb), 2017 Apr 27.
PMID: 28447082 DOI: 10.1039/c7cc02294h

Abstract

Herein we propose an alternative way to distinguish ionic liquids from Coulombic-dominated salts, based not on their upper limit melting temperature (100 °C), but on the trend of their phase-forming abilities to create aqueous biphasic systems as a function of temperature, in which a wider plethora of interactions can be appraised.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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