Rhenium tetraiodide is a binary chemical compound of

rhenium Rhenium is a chemical element; it has symbol Re and atomic number 75. It is a silvery-gray, heavy, third-row transition metal in group 7 of the periodic table. With an estimated average concentration of 1 part per billion (ppb), rhenium is one ...

and

iodide An iodide ion is I−. Compounds with iodine in formal oxidation state −1 are called iodides. In everyday life, iodide is most commonly encountered as a component of iodized salt, which many governments mandate. Worldwide, iodine deficiency ...

with the chemical formula .

Synthesis

Rhenium tetraiodide can be obtained via the reduction of perrhenic acid with

hydrogen iodide Hydrogen iodide (HI) is a diatomic molecule and hydrogen halide. Aqueous solutions of HI are known as hydroiodic acid or hydriodic acid, a strong acid. Hydrogen iodide and hydroiodic acid are, however, different in that the former is a gas und ...

: ::

Physical properties

Rhenium tetraiodide forms black solid substance which is soluble in

acetone Acetone (2-propanone or dimethyl ketone) is an organic compound with the chemical formula, formula . It is the simplest and smallest ketone (). It is a colorless, highly Volatile organic compound, volatile, and flammable liquid with a charact ...

and

ether In organic chemistry, ethers are a class of compounds that contain an ether group, a single oxygen atom bonded to two separate carbon atoms, each part of an organyl group (e.g., alkyl or aryl). They have the general formula , where R and R� ...

. Hydrolyzed by water, hygroscopic.

Chemical properties

Rhenium tetraiodide is hydrolyzed by water: :: Rhenium tetraiodide decomposes when heated: ::

References

Rhenium(IV) compounds Iodides {{inorganic-compound-stub