Strontium fluoride is an inorganic compound with the chemical formula SrF₂. It is a white solid with a high melting point of around 1250°C. Strontium fluoride is an ionic compound composed of strontium ions (Sr²⁺) and fluoride ions (F⁻).

Uses of Strontium Fluoride

1. Optical materials: Strontium fluoride is used as a raw material for optical components due to its high transparency and excellent optical properties, especially in the manufacture of ultraviolet and infrared optical devices. It can be used to make lenses, prisms, and windows, among other things.

2. Ceramic and glass additives: Strontium fluoride is used as a flux for ceramics and glass, which can reduce the melting point and improve the chemical resistance and physical strength of the product. It is also used in the production of special types of glass, such as optical glass and fluorescent glass.

3. Electronics industry: In the semiconductor industry, high-purity strontium fluoride is used in processes such as chemical vapor deposition and molecular beam epitaxy to produce high-quality electronic devices.

4. Dental materials: Strontium fluoride is used in dental materials such as fluoride gels for teeth and toothpaste to prevent tooth decay.

5. Magnetic materials: Strontium fluoride can be used as a raw material for the manufacture of ceramic magnets, which are used in motors, generators, and various electronic devices.

6. Nuclear industry: Strontium fluoride has specific applications in the nuclear industry, and although its radioactive isotope strontium-90 is better known, strontium fluoride itself also has uses in controlling nuclear reactions and nuclear fuel processing.

7. Environmental monitoring: Strontium fluoride can be used in environmental monitoring as a reagent for the detection of fluoride in air pollution control systems.

8. Other applications: Strontium fluoride is also used in the production of phosphors, laser materials, catalysts and lubricants, etc.