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 oxide cements for building materials. Serves as a coagulant in the preparation of tofu from soy milk. Utilized in medical formulations as a source of magnesium for treating deficiencies. Employed in agriculture as a magnesium supplement in fertilizers to correct soil deficiencies and support chlorophyll production in plants. Also used in wastewater treatment to enhance phosphorus removal.