Difference between revisions of "Uranium dioxide"
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black uranium oxide; uranous oxide; urania | black uranium oxide; uranous oxide; urania | ||
| − | == | + | == Risks == |
| + | |||
| + | * Powder ignites spontaneously in air. | ||
| + | * Highly toxic by ingestion and inhalation. | ||
| + | * Human carcinogen. | ||
| + | * Radioactive. | ||
| + | * USDE: [https://www.energy.gov/sites/default/files/2020/11/f80/SDS-Uranium_Oxide_U3O8_2020.pdf SDS] | ||
| + | |||
| + | ==Physical and Chemical Properties== | ||
Soluble in nitric acid and concentrated sulfuric acid. Insoluble in water. | Soluble in nitric acid and concentrated sulfuric acid. Insoluble in water. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 2865 | + | | 2865 C |
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! scope="row"| Density | ! scope="row"| Density | ||
| − | | 10.97 | + | | 10.97 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 10:47, 23 June 2022
Description
Black, highly toxic, crystals. Radioactive uranium dioxide is primarily used in nuclear fuel rods. See also Uranium yellow.
Synonyms and Related Terms
black uranium oxide; uranous oxide; urania
Risks
- Powder ignites spontaneously in air.
- Highly toxic by ingestion and inhalation.
- Human carcinogen.
- Radioactive.
- USDE: SDS
Physical and Chemical Properties
Soluble in nitric acid and concentrated sulfuric acid. Insoluble in water.
| Composition | UO2 |
|---|---|
| CAS | 1344-57-6 |
| Melting Point | 2865 C |
| Density | 10.97 g/ml |
| Molecular Weight | mol. wt. = 270.07 |