Widely used as a flame retardant in plastics, rubber, and construction materials due to its ability to release water vapor when heated, which helps suppress fire and reduce smoke. Commonly found in fire-resistant cables, insulation, and panels.

Used as a precursor to produce magnesium oxide (magnesia) through calcination, which is widely employed in ceramics, refractories, and other high-temperature applications.

Used in wastewater treatment to neutralize acidic effluents and remove heavy metals by raising the pH and promoting precipitation.

A key ingredient in antacids and laxatives for relieving heartburn, indigestion, and constipation by neutralizing stomach acid and drawing water into the intestines.

Added to food products as a stabilizer or thickening agent, and sometimes used in dietary supplements to provide magnesium.

Employed in flue gas treatment to remove acidic pollutants like sulfur dioxide and hydrogen chloride from industrial emissions.