Potassium Chloride (KCl) is an inorganic compound, which is the chloride of potassium, typically appearing as white crystals or powder. It has a wide range of applications in daily life and industrial production. Firstly, potassium chloride is used as a potassium fertilizer in agriculture due to its content of potassium, an essential element for plant growth. Potassium plays a crucial role in plant development, enhancing resistance to stress (such as drought, cold, and pests), and improving fruit quality. In the industrial sector, potassium chloride also finds diverse uses. For instance, it is used to produce other potassium salts like potassium hydroxide and potassium carbonate. Additionally, potassium chloride serves as a raw material for the electrolysis process to produce potassium metal, and it is a significant chemical material in industries such as dyes and printing.