Uranyl Fluoride

Compound Uranyl Fluoride
Synonyms Uranyl(VI) fluoride
Formula UO2F2
Molecular Formula F2O2U
Molecular Weight 308.
CAS RN [13536-84-0]
Properties Pale yellow hygroscopic solid
Solubility Very soluble in water
Density, g/cm³ 6.37 g/cm³
Boiling Point, °C Sublimes
Melting Point, °C 300°C (decomposes)
Reactions Changes in color from brilliant orange to yellow after reacting with water. Uranyl fluoride is reported to be stable in air to 300°C, above which slow decomposition to U3O8 occurs. When heated to decomposition, UO2F2 emits toxic fluoride fumes

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