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Names | |
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IUPAC name
Ruthenium(IV) oxide
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Other names
Ruthenium dioxide
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Identifiers | |
3D model (JSmol)
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ECHA InfoCard | 100.031.660 |
EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
RuO2 | |
Molar mass | 133.0688 g/mol |
Appearance | blue-black solid |
Density | 6.97 g/cm3 |
Boiling point | 1,200 °C (2,190 °F; 1,470 K) sublimates |
insoluble | |
+162.0·10−6 cm3/mol | |
Structure | |
Rutile (tetragonal), tP6 | |
P42/mnm, No. 136 | |
Octahedral (RuIV); trigonal planar (O2−) | |
Hazards | |
Flash point | Non-flammable |
Related compounds | |
Other anions
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Ruthenium disulfide |
Other cations
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Osmium(IV) oxide |
Ruthenium tetroxide | |
Supplementary data page | |
Ruthenium(IV) oxide (data page) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Ruthenium(IV) oxide is the inorganic compound with the formula RuO2. This black solid is the most common oxide of ruthenium. It is widely used as an electrocatalyst for producing chlorine, chlorine oxides, and O2.[1] Like many dioxides, RuO2 adopts the rutile structure.[2][3]