Potassium chloride is a chemical compound. Its chemical formula is KCl. It contains potassium and chloride ions.
It is a colorless crystalline solid. It is not reactive. It is similar to sodium chloride. It reacts with silver nitrate to make silver chloride. It reacts with sodium metal when very hot to make potassium metal. The metals are a gas because it is so hot. It makes a pink color when heated in a flame.