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 because it lowers the freezing point of water and works at lower temperatures than sodium chloride. Serves as a coagulant in the production of tofu from soy milk, helping to solidify the protein. Utilized in water treatment to remove impurities and in wastewater treatment to enhance phosphorus removal. Added to concrete mixtures to accelerate setting time and improve strength. Employed in agriculture as a magnesium source in fertilizers, supporting chlorophyll production in plants. Used in pharmaceuticals and supplements as a source of dietary magnesium for treating deficiencies. Applied in the textile and paper industries for fireproofing and as a weighting agent.