Used in dust control on roads and construction sites by absorbing moisture from the air and keeping surfaces damp. Commonly applied as a de-icing agent in winter road maintenance due to its ability to lower the freezing point of water effectively. Serves as a coagulant in tofu production, helping soy milk solidify into curds. Utilized in medical treatments as a source of magnesium ions, especially for managing magnesium deficiency. Added to brewing water in beer production to influence flavor and support yeast activity. Employed in the manufacturing of cement and refractory materials for enhanced setting properties. Used in agriculture as a magnesium supplement in fertilizers to correct soil deficiencies and improve plant growth.