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 cement for building materials. Serves as a coagulant in the preparation of tofu from soy milk, helping to solidify the protein, and as an additive in pickling brines to enhance crispness in vegetables. Utilized in the production of magnesium metal as a magnesium source in electrolytic processes. Employed in medical formulations and dietary supplements as a source of magnesium for treating deficiencies. Used in wastewater treatment to enhance the removal of phosphates and other contaminants. Also used in agriculture as a magnesium supplement in fertilizers for magnesium-deficient soils.