Only a rather old value, that of Werner (1), has been found in the literature for the solubility of 2,4-dibromophenol in water. Considering the incomplete information on the purity of the reagents used and the equilibration method itself coupled with the fact that the instrumentation used was relatively simple, one must regard the reported value as doubtful.
It must be noted that the solubility of this compound, like any protolytic solute, is considerably dependent upon the acidity of the solution. Here it is assumed that the pH value is that for the saturated solution without the addition of other protolytic solutes. Thus, the solubility value reported is for such a saturated solution.
Based upon an assumed density of 1.0 g/cm3 for the solution (an estimate which has no effect on the accuracy of the reported value), the doubtful solubility of 2,4-dibromophenol in water at 298 K is as follows: