K2TaF7
K2TaF7, also known as potassium heptafluorotantalate(V), is an inorganic compound with the chemical formula K2TaF7. It is a white crystalline solid and is a salt of potassium and the heptafluorotantalate anion. This compound is typically prepared by the reaction of tantalum(V) fluoride with potassium fluoride. It is a member of the alkali metal heptafluorometallate(V) family, which includes similar compounds of other Group 5 metals like niobium and antimony.
K2TaF7 is known for its relatively high melting point and stability. It is sparingly soluble in water,
This compound finds applications primarily in materials science and research. It can be used as a precursor