Solvatochromic parameters for solvents of interest in green chemistry

Solvatochromic data have been collected from the literature or newly measured for 83 molecular solvents, 18 switchable solvents, and 187 ionic liquids that have been cited in the green chemistry literature. The data include the normalized Reichardt's parameter (ENT), the Nile red λmax, and the Kamlet–Taft parameters (α, β, and π*). Disagreements within the literature about the properties of glycerol and poly(ethylene glycol) have been resolved with new data. The switching of a switchable-polarity solvent (also known as a reversible ionic liquid) by CO2 causes a significant increase in polarity/polarizability (π*) but no change in the basicity (β). A switchable-hydrophilicity solvent undergoes an even greater…

• CR
  Canada Research Chairs
• KT
  Killam Trusts
• UO
  University of Waterloo
• UO
  University of California, Davis
• NS
  Natural Sciences and Engineering Research Council of Canada