Uranium Trioxide

Uranium Trioxide

Uranium Trioxide

 

 

 

 

 

 

 

UO3

Compound Uranium Trioxide
Synonyms uranium(VI) oxide
Formula UO3
Molecular Formula O3U
Molecular Weight 286.027
CAS RN: 1344-58-7
Properties -100 mesh; has six forms; α is hex brown, β is orange monocl, γ is bright yellow rhomb, δ is red cub, ε is brick red tricl, η is rhomb; UO3 can be obtained by thermal descomposition of uranyl compounds, e.g carbonates, oxalates nitrates [KIR83] [CER91]
Solubility i H2O; s acids [MER89]
Density, g/cm3: 7.29 [MER89]
Melting point, °C 650, decomposes [KIR91]
Boiling point, °C
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