UO2

URI: https://gptkb.org/entity/UO2
GPTKB entity
Statements (36)
Predicate Object
gptkbp:instanceOf gptkb:chemical_compound
gptkbp:appearance black, brownish-black, or dark green solid
gptkbp:boilingPoint ~3200 °C
gptkbp:CASNumber 1344-57-6
gptkbp:category oxides
uranium compounds
gptkbp:chemicalFormula gptkb:UO2
gptkbp:color black
gptkbp:containsElement gptkb:uranium
oxygen
gptkbp:cookingMethod reduction of UO3 with hydrogen
gptkbp:crystalSystem fluorite (cubic)
gptkbp:density 10.97 g/cm³
gptkbp:foundIn spent nuclear fuel
https://www.w3.org/2000/01/rdf-schema#label UO2
gptkbp:IUPACName uranium dioxide
gptkbp:meltingPoint 2865 °C
gptkbp:molecularWeight 270.03 g/mol
gptkbp:otherName urania
uranium(IV) oxide
gptkbp:oxidationStateOfUranium +4
gptkbp:oxidizesTo gptkb:UO3
U3O8
gptkbp:primaryUse gptkb:nuclear_reactor
gptkbp:radioactive radioactive
gptkbp:riskFactor toxic
radioactive
gptkbp:solubility insoluble
gptkbp:thermalConductivity low
gptkbp:type oxygen
acids
gptkbp:usedIn gptkb:CANDU_reactors
pressurized water reactors
boiling water reactors
gptkbp:bfsParent gptkb:uraninite
gptkbp:bfsLayer 6