Potassium Chloride is a metal halide salt composed of potassium and chloride. It is odorless and has a white or colorlessvitreous crystal appearance. The solid dissolves readily in water and its solutions have a salt-like taste. Formula: KCl Molar mass: 74.551 g/mol Melting point: 770 °C IUPAC ID: Potassium Chloride Density: 1.984 g/cm³ Soluble in: Alcohol