- Source: Thorium oxyfluoride
Thorium oxyfluoride is an inorganic compound of thorium metal, fluorine, and oxygen with the chemical formula ThOF2.
Synthesis
Thorium oxyfluoride can be prepared from partial hydrolysis of thorium tetrafluoride in moist air at elevated temperatures, about 1000 °C.
ThF4 + H2O → ThOF2 + 2 HF
Reaction of thorium tetrafluoride with thorium dioxide at 600 °C:
ThF4 + ThO2 → 2 ThOF2
Physical properties
The compound forms white, insoluble amorphous powder.
Uses
The compound is used as a protective coating on reflective surfaces.