Solubility of Etoricoxib in Aqueous Solutions of Glycerin, Methanol, Polyethylene Glycols 200, 400, 600, and Propylene Glycol at 298.2 K

Abstract

Experimental molar solubility of etoricoxib (ETR) in monosolvents such as glycerin, methanol (MeOH), polyethylene glycol 200 (PEG 200), polyethylene glycol 400 (PEG 400), polyethylene glycol 600 (PEG 600), propylene. glycol (PG), and their aqueous binary solvent systems in various mass fraction compositions along with the solute-free and saturated solution densities were measured at 298.2 K. The resulting mole fraction solubility and density data were further correlated and predicted with the Jouyban Acree model. Overall mean percentage deviations (OMPDs) between experimental and calculated mole fraction solubilities were 3.5%. The solute-free density of the monosolvents and their aqueous binary solvent systems were employed to train the model and then the densities of the saturated solutions were predicted. Moreover, OMPDs for back calculated solute-free densities and predicted saturated solution densities were 0.07% and 0.40%, respectively. Thus, the Jouyban Acree model have potential use in preformulation and formulation studies during which solubility and density calculations are important physicochemical properties for design and development of new drug products in pharmaceutical industries. The simulated data could also be employed in crystallization and other related process design in the pharmaceutical/chemical industry.