Thorium(IV) fluoride

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Thorium(IV) fluoride
Image:Thorium(IV) fluoride.jpg
Other names	thorium tetrafluoride
Identifiers
CAS number	[13709-59-6]
Properties
Molecular formula	ThF4
Molar mass	308.032 g/mol
Appearance	white crystals hygroscopic
Density	6.1 g/cm³, solid
Melting point	1110°C
Boiling point	1680°C
Structure
Crystal structure	monoclinic
Hazards
EU classification	not listed
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Thorium(IV) fluoride (ThF₄) is an inorganic chemical compound.

[edit] Use

Thorium tetrafluoride is used as coating material for optical systems in the infrared spectral range. It is, however, mildly radioactive.

[edit] References

• W. Heitmann and E. Ritter (1968). "Production and properties of vacuum evaporated films of thorium fluoride". Appl. Opt. 7: 307.