Potassium Chloride is a high purity, dry crystalline inorganic/metal halide salt composed of potassium and chlolrine, KCl. It has a molar mass of 74.551 g/mol and occurs naturally as the mineral slyvite. Potassium chloride is often referred to as muriate of potash (MOP), particularly when used as a fertilizer.
General grade Potassium Chloride also used as a water softener. RXSOL-81-8102-050 is high purity Potassium Chloride used in food and medicines.