Thiophosphoryl iodide is an inorganic compound with the formula .
Preparation Thiophosphoryl iodide can be prepared by reacting phosphorus triiodide with sulfur in carbon disulfide at 10–15 °C in the dark for several days.
Attempts to synthesise by the reaction of lithium iodide with thiophosphoryl bromide lead to the mixed thiophosphoryl halides and instead.
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