New Experimental Data on Thermodynamic Properties of the Aqueous Solution of <i>N</i>,<i>N</i>-Diethyl-<i>N</i>-methylammonium Bromide and <i>N</i>,<i>N</i>-Diethyl-<i>N</i>-methylammonium Methanesulfonate

In this work, new experimental data on thermodynamic properties of ionic liquid (IL) aqueous solutions are presented. The (vapor + liquid) phase equilibria, density, and dynamic viscosity binary mixtures composed N,N-diethyl-N-methylammonium bromide ([NH,1,2,2][Br]), or methanesulfonate ([NH,1,2,2][CH3SO3]) water presented as functions temperature composition. Both ILs were synthesized specific basic characterization including the NMR spectra content determination was done. thermal pure IL, glass-transition temperature, heat capacity at glass transition, enthalpy (solid solid) transition well melting determined using differential scanning calorimetry (DSC) technique. isothermal equilibrium (VLE) measured by ebulliometric method within a range from T = 338.15 to 368.15 K pressures up 85 kPa. Experimental VLE successfully correlated NRTL equation. tested for consistency Van Ness test. density function IL’s mole fraction over wide range. For correlation physicochemical properties, empirical equations applied. From data, excess molar volumes Redlich–Kister-type