Technetium(IV) oxide
| Names | |
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Other names
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| Identifiers | |
3D model (JSmol) |
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| ChEBI | |
| ChemSpider | |
| 873611 | |
PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| TcO2 | |
| Molar mass | 130.00 g/mol |
| Appearance | Black solid |
| Density | 6.9 g/cm3 |
| Melting point | 1,100 °C (2,010 °F; 1,370 K) (sublimes) |
| Insoluble | |
| Solubility | Slightly soluble in acid (dihydrate) |
| Structure | |
| Isostructural to MoO2 | |
| Thermochemistry | |
Gibbs free energy (ΔfG⦵) |
−305.974±3.377 (dihydrate) |
| Related compounds | |
Other anions |
Technetium(IV) chloride |
Related compounds |
Technetium(VII) oxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Technetium(IV) oxide, also known as technetium dioxide, is a chemical compound with the formula TcO2 which forms the dihydrate, TcO2·2H2O, which is also known as technetium(IV) hydroxide. It is a radioactive black solid which slowly oxidizes in air.