Magnesium chloride is a chemical compound made up of magnesium and chlorine, represented by the formula MgCl2. It is commonly found in nature, especially in seawater and mineral deposits. This compound is often used in various applications, including de-icing roads, dust control, and as a supplement to provide magnesium, an essential mineral for human health. In its hydrated form, magnesium chloride appears as a white or colorless crystalline solid. It is highly soluble in water, making it useful in many industrial processes. Additionally, magnesium chloride plays a role in agriculture, helping to improve soil quality and promote plant growth.