Solubility of suberic, azelaic, levulinic, glycolic, and diglycolic acids in water from 278.25 K to 361.35 K

Abstract

Solubilities of suberic, azelaic, levulinic, glycolic, and diglycolic acids in water were determined in the 278.25 to 361.35 K temperature range. The apparent molar enthalpies of solution at 298.15 K were derived: Δ sol H m( m = 0.0139 mol·kg −1) = 37 kJ·mol −1 for suberic acid; Δ sol H m( m = 0.00946 mol·kg −1) = 41 kJ·mol −1 for azelaic acid; Δ sol H m( m = 45.1 mol·kg −1) = 47 kJ·mol −1 for levulinic acid; Δ sol H m( m = 32.54 mol·kg −1) = 11 kJ·mol −1 for glycolic acid, and Δ sol H m( m = 5.30 mol·kg −1) = 29 kJ·mol −1 for diglycolic acid.