| Rhenium(IV) oxide | |
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Rhenium(IV) oxide |
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Other names
Rhenium dioxide |
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| Identifiers | |
| CAS number | 12036-09-8 |
| PubChem | 24861043 |
| Properties | |
| Molecular formula | ReO2 |
| Molar mass | 218.206 g/mol |
| Appearance | gray orthorhombic crystals |
| Density | 11.4 g/cm³[1] |
| Melting point |
decomposes at 1000°C[2] |
| Solubility in water | insoluble |
| Solubility in alkali | insoluble |
| Structure | |
| Crystal structure | Orthorohmbic, oP12 |
| Space group | Pbcn, No. 60 |
| Hazards | |
| MSDS | Aldrich MSDS |
| NFPA 704 |
0
1
0
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| Related compounds | |
| Other anions | Rhenium(VII) oxide Rhenium(III) oxide Rhenium(III) chloride |
| Other cations | manganese(IV) oxide Technetium(VII) oxide |
| (verify) (what is: /?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
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| Infobox references | |
Rhenium(IV) oxide or rhenium dioxide is the chemical compound composed of rhenium and oxygen with the formula ReO2. This gray to black crystalline solid is a laboratory reagent that can be used as a catalyst. It form perrhenates with alkaline hydrogen peroxide and oxidizing acids.[3] It disproportionates when heated.[4]
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