Factors controlling sulfur dioxide solubilities in organic solvents

Sulfur dioxide solubility in a liquid phase was studied as affected by the donor-acceptor interactions of the system’s components, these interactions being dependent on the basicity of organic solvents. Other factors of influence were also studied in order for fitting solubility data by means of linear multiparameter equations, primarily, the nonspecific solvation ability of solvents and their cohesion energy, which counteracts the incorporation of gas molecules into the liquid phase.