Abstract
Experimental solubilities are reported at 25.0°C for thianthrene dissolved in twenty-one different organic nonelectrolyte solvents containing ether-, hydroxy-, and t-butyl-functional groups. Results of these measurements combined, with our previously published thianthrene solubility data in n-hexane, n-heptane, n-octanc, cyclohexane, methylcyc-lohexane, 2, 2, 4-trimethylpentane and cyclooctane, are used to test the applications and limitations of expressions derived from Mobile Order theory. For the 20 solvents for which predictions could be made computations show that Mobile Order theory does provide fairly reasonable (although by no means perfect) estimates of the saturation mole fraction solubilities. Average absolute deviation between predicted and observed values is circa 58%. In comparison, the average absolute deviation increases significantly to 1,940% when ideal solution behavior is assumed.
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