Rhenium dioxide ReO2
Specification: ReO2≥99.99%, Re≥85.33%
Impurity:<100ppm
Appearance: black gray particulate matter.
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CAS number: 12036-09-8
EINECS number: 234-839-0
Molecular formula: O2Re
Molecular weight: 218.2058
Rhenium dioxide is different from rhenium heptoxide in that it is insoluble in water, insoluble in dilute acids, and soluble in concentrated halogen acids. It is easy to react with nitric acid and hydrogen peroxide to produce perrhenic acid. At high temperature, it will decompose into rhenium metal and rhenium heptoxide. Similar to osmium dioxide and iridium dioxide, its cell structure is rutile type accumulation.
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