Rhenium tetraiodide is a binary chemical compound of rhenium and iodide with the chemical formula .
Synthesis Rhenium tetraiodide can be obtained via the reduction of perrhenic acid with hydrogen iodide:
Physical properties Rhenium tetraiodide forms black solid substance which is soluble in acetone and ether. Hydrolyzed by water, hygroscopic.
Chemical properties Rhenium tetraiodide is hydrolyzed by water:
Rhenium tetraiodide decomposes when heated:
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