Uranium dioxide

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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

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