Abstract
Experimental density data of the binary mixtures of 3-(methylamino)propylamine with water, N-methyldiethanolamine, N,N-dimethylethanolamine and N,N-diethylethanolamine were reported at atmospheric pressure over the entire composition range at temperatures from (283.15 to 363.15) K. The densities were measured using an Anton Paar digital vibrating U-tube densimeter. Excess molar volumes of the mixture were calculated from the experimental densities and correlated as the Redlich–Kister equation. The optimized sets of parameters of the equation were obtained by the least-squares method at each temperature. Infinite dilution partial molar volumes and the corresponding excess partial molar volumes at infinite dilution were calculated and discussed. Thermal expansivities for the binary mixtures were presented.
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