KAsF6
KAsF6 refers to Potassium hexafluoroarsenate(V), an inorganic chemical compound. It has the chemical formula KAsF6. This compound is the potassium salt of hexafluoroarsenic acid. It is a white crystalline solid. The structure consists of potassium cations (K+) and hexafluoroarsenate(V) anions (AsF6-). Each hexafluoroarsenate(V) anion features a central arsenic atom bonded to six fluorine atoms in an octahedral geometry. KAsF6 is soluble in water and some polar organic solvents. It can be synthesized through the reaction of arsenic pentafluoride (AsF5) with potassium fluoride (KF). Arsenic pentafluoride is a highly reactive and corrosive gas, and its reactions require careful handling. Potassium hexafluoroarsenate(V) is primarily used in research settings. Its properties make it of interest in fields such as materials science and inorganic chemistry. It can act as a source of the hexafluoroarsenate anion. The compound is generally considered stable under normal conditions, but like many fluorine-containing compounds, it should be handled with appropriate safety precautions due to the potential toxicity of arsenic and the reactivity of fluoride. It is not a commonly encountered substance in everyday life or industrial applications.