Tantalum(V) fluoride (TaF5)-Powder
Product Description
Characteristic
Tantalum(V) fluoride is the inorganic compound with the formula TaF5. It is one of the principal molecular compounds of tantalum. Characteristic of some other pentafluorides, the compound is volatile but exists as an oligomer in the solid state.
Chemical formula: TaF5
Molar mass: 275.95 g/mol
Appearance: white powder
Density: 4.74 g/cm3, solid
Melting point: 96.8 °C (206.2 °F; 369.9 K)
Boiling point: 229.5 °C (445.1 °F; 502.6 K)
Solubility in water: decomposes
Magnetic susceptibility (χ): +795.0•10−6 cm3/mol
Application
Tantalum(V) fluoride is used as a Friedel-Crafts catalyst. It combines with hydrogen fluoride and acts as a catalyst for the alkylation of alkanes and alkenes as well as the protonation of aromatic compounds.