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Information Journal Paper

Title

SYNTHESIS AND CHARACTERIZATION OF PROTIC IONIC LIQUIDS CONTAINING CYCLIC AMINE CATIONS AND TETRAFLUOROBORATE ANION

Pages

  149-165

Abstract

 Several IONIC LIQUIDs containing pyrrolidinium-, OXOPYRROLIDINIUM-, piperidinium-, morpholinium- and trialkylammonium based cation are synthesized and their thermal property, refractive index, POLARITY, electrochemical property, and temperature dependency of dynamic viscosity, density and ionic CONDUCTIVITY are characterized. All tetrafluoroborate-based room temperature IONIC LIQUIDs studied here have a high ionic CONDUCTIVITY (up to 31.4 mS cm-1). These ILs were successfully used as suitable electrolytes for the DIFFUSION COEFFICIENT measurement of ferrocene. Absorbance solvatochromic probes Nile red is used to investigate the relative POLARITY of these IONIC LIQUIDs and compared them with several organic solvents. The relation of fluidity to conductance is considered in terms of a Walden plot that is shown to provide a useful basis for organizing the applications of solvent media for “green” synthetic reactions.

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