# Cadmium fluoride, CdF2

Cadmium fluoride (CdF2) is an inorganic compound that crystallizes in a cubic fluorite structure. Known for its transparent nature over a wide wavelength range, it has specialized applications in optics, particularly in the ultraviolet region. With its low refractive index and high transmission capability, CdF2 is used in optical coatings and in the fabrication of windows for UV lasers and other UV optical systems. It also exhibits excellent thermal stability and a high resistance to chemical corrosion. However, its use is limited by the toxic nature of cadmium compounds, necessitating careful handling and disposal procedures. The compound can be synthesized through various methods, including precipitation from aqueous solutions or via high-temperature reactions between cadmium and fluorine gas. Overall, despite its toxicity, CdF2 remains a material of interest in scientific research and industrial applications where its unique optical properties are essential.

## Other names

- Cadmium difluoride
- Cadmium(II) fluoride

## External links

- Cadmium fluoride - Wikipedia
- Cadmium difluoride - WebElements