P–ρ–T Data and Derived Volumetric Properties of Benzyl Alcohol, ±2-Octanol (Racemic Mixture), and 1-Heptanol from 283.15 to 363.15 K at Pressures up to 65 MPa

Abstract

In this work, we present new density measurements of benzyl alcohol and 1-heptanol from 283.15 to 363.15 K up to 65 MPa and ±2-octanol from 283.15 to 358.15 K up to 50 MPa. The density was obtained using a vibrating tube densimeter employing the Forced Path Mechanical Calibration method. The combined standard density uncertainty is 0.00035 g·cm^–3 for benzyl alcohol and 1-heptanol, while for ±2-octanol (racemic mixture), it is 0.00045 g·cm^–3. The density data are correlated with a multiparametric equation of state explicit in the compressibility factor. We have correlated the density with the equation of state within an average absolute percentage deviation of (0.058, 0.085, and 0.077) % for benzyl alcohol, ±2-octanol, and 1-heptanol, respectively. Isobaric expansibility and isothermal compressibility are calculated from the multiparametric equation within an average absolute percentage deviation of 6% from values reported in the literature.