Names | |
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IUPAC name
Rhenium(IV) oxide
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Other names
Rhenium dioxide
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Identifiers | |
3D model (JSmol)
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ECHA InfoCard | 100.031.659 |
EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
ReO2 | |
Molar mass | 218.206 g/mol |
Appearance | gray orthorhombic crystals |
Density | 11.4 g/cm3[1] |
Melting point | decomposes at 1000 °C[2] |
insoluble | |
Solubility in alkali | insoluble |
+44.0·10−6 cm3/mol | |
Structure | |
Orthorohmbic, oP12 | |
Pbcn, No. 60 | |
Hazards | |
NFPA 704 (fire diamond) | |
Safety data sheet (SDS) | Aldrich MSDS |
Related compounds | |
Other anions
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Rhenium(VII) oxide Rhenium(III) oxide Rhenium(III) chloride |
Other cations
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manganese(IV) oxide Technetium(IV) oxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Rhenium(IV) oxide or rhenium dioxide is the inorganic compound with the formula ReO2. This gray to black crystalline solid is a laboratory reagent that can be used as a catalyst. It adopts the rutile structure.