Used as a dust suppressant on roads and construction sites due to its hygroscopic nature, which helps retain moisture and reduce airborne particles. Commonly applied in the production of magnesium metal through electrolysis. Serves as a coagulant in the preparation of tofu from soy milk, helping to solidify the protein. Utilized in medical treatments for magnesium deficiency and as a component in some topical skin care products for its anti-inflammatory properties. Employed in agriculture as a source of magnesium in fertilizers to correct soil deficiencies and support chlorophyll production in plants. Also used in water treatment processes to remove impurities and in the formulation of certain types of cement.