Solubility of Cis, Cis-Muconic Acid in Various Polar Solvents from 298.15 K to 348.15 K

摘要

The present work concerns with an investigation on the solubility of cis, cis-muconic acid dissolution in different polar solvents by characterizing and modeling the dissolution as a function of temperature. Water, ethanol, 2-propanol and acetic acid have been investigated as solvents in the range temperatures from a 298.15 to 348.15 K. Owing to the absence of cis, cis-muconic acid solubility data, the molar fraction and temperature were correlated using the modified Apelblat equation model, which is applied for the mathematic fitting of experimental data. A total relative average deviation of 3.54% was obtained for the experimental results and the solubility data obtained with the model, thus attesting the adequacy for this study. The use of modified Apelblat equation also allowed to determine the molar enthalpy and molar entropy of dissolution. The dissolution of cis, cis-muconic acid in water, ethanol, 2-propanol and acetic acid, over temperatures ranging from 298.15 to 348.15 K, has been shown to be exothermic.