How to remove water traces from hot toluene
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If the components do not crystallize from the water, you should consider using a different solvent, but if you really need to recovery the material from the water, azeotropic distillation with benzene or toluene will remove the water.
If they are crystals in an aqueous mother liquor, I would just collect them by filtration and wash the filter cake with cold isopropanol and then keep under high vacuum, over P2O5 for a couple hours.
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