Used as a drying agent in organic synthesis due to its high affinity for water, effectively removing trace moisture from solvents and reaction mixtures. Commonly employed in laboratory settings during the purification of liquids. Also serves as a source of magnesium in fertilizer formulations for correcting magnesium deficiency in soils, supporting chlorophyll production and plant growth. In pharmaceuticals, it is used in some medicinal preparations as an electrolyte replenisher and in bath salts for its soothing effect on sore muscles. Additionally, it finds use in the textile and leather industries as a mordant or processing aid.