Tetraaquotitanium III tris-p-toluenesulfonate

To 325-mesh titanium powder (1.19 g, 24.8 mmol) in a 250-mL, round-bottomed flask equipped with a reflux condenser is added p-toluenesulfonic 

Pale purple [Ti(OH2)4](OTs)3 can be stored indefinitely under an inert atmosphere at room temperature. It is soluble in tetrahydrofuran, methanol, and water, but is insoluble in acetonitrile. 

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