Densities and viscosities of seven glycol ethers consisting of 1-methoxy-2-propanol, 3-methoxy-1-butanol, ethylene glycol dimethyl ether, ethylene glycol diethyl ether, diethylene glycol dimethyl ether, ethylene glycol tert-butyl methyl ether, and diethylene glycol diethyl ether were measured from 288.15 K to 343.15 K at atmospheric pressure. Densities were determined using a vibrating-tube densimeter. Viscosities were measured with an automatic Ubbelohde capillary viscometer. The estimated uncertainties of the measurements were ±0.1% for density and ±0.9% for viscosity. The data were correlated using simple expressions and were also used to develop a model for the viscosity based on the Hildebrand fluidity equation.

Densities, viscosities, and refractive indices of the ternary system acetone + ethanol + 2,2,4-trimethylpentane at T = 298.15 K and the binary systems acetone + ethanol, acetone + 2,2,4-trimethylpentane, and ethanol + 2,2,4-trimethylpentane were measured at T = (288.15, 298.15, and 308.15) K and atmospheric pressure over the whole composition range. Densities were determined using a vibrating-tube density meter. Viscosities were measured with an automatic Ubbelohde capillary viscometer. Refractive indices were measured using a digital Abbe-type refractometer. Excess molar volumes V E, deviations in the viscosity from the mole fraction average Δη, and deviations in the refractive index from the volume fraction average Δn D for the mixtures were derived from experimental data. The binary and ternary data of V E, Δη, and Δn D were correlated with liquid composition by using the Redlich−Kister and Cibulka equations.

Densities and viscosities were measured for the binary mixtures of methanol, ethanol, propan-1-ol, propan-2-ol, butan-2-ol, and 2-methyl-propan-2-ol with nitromethane at temperatures from 293.15 K to 313.15 K and atmospheric pressure. Densities were determined using a vibrating-tube densimeter. Viscosities were measured with an automatic Ubbelohde capillary viscometer. The estimated uncertainties are less than ±0.0001 g·cm-3 for density and ±0.7% for viscosity. Excess volumes and viscosity deviations as a function of mole fraction average were derived, and the computed results were fitted to the Redlich−Kister equation. Furthermore, McAllister's three-body-interaction model is used to correlate the binary kinematic viscosities.

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