Density, viscosity and spectroscopic studies of the binary system 1,2-ethylenediamine + 1,4-butanediol at T = (293.15 to 318.15) K

- Density and viscosity data of EDA + BDO at (293.15 to 318.15) K were measured.
- Excess properties for EDA + BDO mixtures were investigated.
- Intermolecular interaction of EDA with BDO was discussed.

Densities and viscosities were measured under atmospheric pressure over the entire concentration range for the binary system 1,2-ethanediamine (EDA) + 1,4-butanediol (BDO) at T = 293.15, 298.15, 303.15, 308.15, 313.15, and 318.15 K as a function of composition. Based on density and viscosity data, excess molar volumes (VmE) and dynamic viscosity deviations (∆ν) were calculated. VmE and ∆ν values were correlated by a Redlich-Kister type function to obtain the coefficients and to estimate the standard deviation between the experimental and calculated quantities. Based on FTIR and UV-vis spectral results, the intermolecular interaction between EDA and BDO was discussed.