1-Butyl-3-methylimidizolium hexafluorophosphate [bmim][PF6] is a viscous, colorless, hydrophobic, ionic liquid at room temperature. The negligible vapor pressure and low melting point of [bmim][PF6] provide electrochemical stability for the molecule, therefore it can be useful as a solvent for electrochemistry and in industrial solvent applications. The high viscosity of [bmim][PF6] results in much lower conductivity than inorganic molten salts; however, [bmim][PF6] is totally miscible with several organic solvents such as acetonitrile and dichloromethane. Addition of these solvents to [bmim][PF6] reduces the viscosity, thereby significantly increasing the conductivity. This research focuses on the synthesis of [bmim][PF6] and characterization of the properties of various [bmim][PF6]/dichloromethane mixtures including conductivity, density, and viscosity, as well as cyclic voltammetry and coulometry of metal dithiocarbamate complexes in [bmim][PF6]/dichloromethane mixtures. This research also investigates the exchange of ligands between iron and nickel dithiocarbamate complexes in [bmim][PF6]/dichloromethane mixed solvents using electroanalytical techniques.

Synthesis of 1-butyl-3-methylimidizolium hexafluorophosphate: Investigation of its use as an electrochemical solvent for electroanalytical studies of metal dithiocarbamate complexes

249th National Meeting (2015)

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