Zinc Fluoride tetrahydrate (ZnF2•4H2O)-Powder

Characteristic

 

Zinc fluoride is an inorganic chemical compound. It is encountered as the anydrous form and also as the tetrahydrate, ZnF₂ • 4H₂O (rhombohedral crystal structure).

Chemical formula:ZnF₂ • 4H₂O

Molar mass: 175.45 g/mol 

Appearance : white needles hygroscopic

Density: 2.30 g/cm³ 

Melting point: 100 °C, decomposes 

Solubility in water: 1.52 g/100 mL, 20 °C 

Solubility: sparingly soluble in HCl, HNO₃, ammonia

Magnetic susceptibility (χ): −38.2•10⁻⁶ cm³/mol

 

Application

 

Zinc fluoride tetrahydrate is used as a mild fluorinating agent in the replacement of chlorine in halogenated hydrocarbons, in fluorophosphate and fluoride glass, and in the manufacture of fluoride glass optical fibers and optical transmitting glass.