| Compound | Uranium Dioxide |
| Synonyms | Uranium (IV) oxide, uranium dioxide, pitchblende, uranium fuel pellet |
| Formula | UO2 |
| Hill System Formula | O2U1 |
| Molecular Weight | 270.028 |
| CAS RN | [1344-57-6] |
| Properties | Brown to copper-red to black crystals |
| Solubility | Insoluble in water |
| Density kg -3 | 10970 kg m-3 |
| Melting Point, °C | 2827°C |
| Boiling Point, °C | Decomposes |
| Reactions | Stable under normal temperatures and pressures except for radioactive disintegration and excessive heat |
