Calcium Fluoride (CaF2)-Pellets

Characteristic

Calcium fluoride is the inorganic compound of the elements calcium and fluorine with the formula CaF₂. It is a white insoluble solid. It occurs as the mineral fluorite (also called fluorspar), which is often deeply coloured owing to impurities.

Chemical formula：CaF₂

Molar mass：78.075 g·mol⁻¹

Appearance：White crystalline solid (single crystals are transparent)

Density：3.18 g/cm³

Melting point：1,418 °C (2,584 °F; 1,691 K)

Boiling point：2,533 °C (4,591 °F; 2,806 K)

Solubility in water：0.015 g/L (18 °C)

                                0.016 g/L (20 °C)

Solubility product (Ksp)：3.9 × 10−11 

Solubility：insoluble in acetone

                  slightly soluble in acid

Magnetic susceptibility (χ)：-28.0·10−6 cm³/mol

Refractive index (nD)：1.4338

Crystal structure：cubic crystal system, cF12

Application

Hydrogen fluoride is prepared from calcium fluoride in industry and laboratory.

Hydrogen fluoride is a very important intermediate in chemical industry, which can be used to prepare hydrofluoric acid, organic fluorides, fluorides and other chemical reagents.