Calcium Fluoride, also known as fluorite or fluorspar

Calcium Fluoride, also known as fluorite or fluorspar, is an important industrial chemical with a wide range of applications. Here is a detailed description of the product:

1. Chemical Properties: Calcium Fluoride has the chemical formula CaF2, a molecular weight of 78.07, and a cubic crystal structure。It is a white powder or cubic crystal that emits light when heated, with a density of 3.18 g/cm³, a melting point of 1402°C, and a boiling point of 2500°C.

2. Solubility: It is poorly soluble in water (0.015 g per 100g H2O at room temperature) but soluble in hydrochloric acid, sulfuric acid, nitric acid, and ammonium salt solutions。It is also insoluble in acetone and forms complexes when dissolved in solutions of aluminum and iron salts.

3. Production and Synthesis: Calcium Fluoride can be produced by dissolving calcium carbonate or hydroxide in hydrofluoric acid, or by adding fluoride ions to calcium salt solutions, resulting in a colloidal precipitate of calcium fluoride。It is also found naturally as the mineral fluorite or fluorspar, which can exhibit different colors due to impurities.

4. Applications: Calcium Fluoride is extensively used in the metallurgical, chemical, and construction industries。It serves as a flux in steelmaking and aluminum production, and in the manufacture of special optical lenses due to its high purity and transparency。It is also used in the production of fluoride glasses, enamels, and as a catalyst in various chemical reactions.

5. Safety Information: Calcium Fluoride is considered low toxic, with an ACGIH threshold limit value of 2.5 mg/m³ and a NIOSH immediate danger to life or health concentration of 250 mg/m³。It is hygroscopic and should be stored at -20°C to maintain stability.

In summary, Calcium Fluoride is a versatile compound with significant applications in various industries, from manufacturing to research and development. Its unique properties make it an essential material for many industrial processes and products.