This chemical has a vitreous crystal appearance. It may appear translucent or white. It is odorless, and it has a strong saline taste. This substance is created by mixing potassium and chloride together. As such, it is not flammable, nor is it toxic or harmful to humans. Potassium chloride is soluble in water. One of the primary uses for potassium chloride is as a fertilizer. The potassium helps stimulate plant growth. However, this substance can be utilized in a variety of industries, including medicines and food processing. In small doses, this chemical can work as a medical treatment. However, in high concentrations, it can be harmful. In fact, potassium chloride is a component of lethal injections. Although this chemical is not toxic or harmful to humans, it should still be stored in a cool, dry area and handled with care. Gloves and safety gear should be worn when handling this substance to prevent contamination or mild irritation to the skin and eyes.