Used as a source of magnesium in nutritional supplements and pharmaceuticals due to its high solubility and bioavailability. Commonly applied in tofu production as a coagulant to curdle soy milk. Employed in dust control and road stabilization, where it helps bind fine particles and reduce airborne dust. Utilized in concrete as an accelerator to promote faster setting in cold weather. Also used in wastewater treatment to remove phosphates and in agriculture as a magnesium fertilizer for magnesium-deficient soils.