How Is Magnesium Sulfide Prepared?

Magnesium sulfide can be prepared by directly reacting magnesium metal with sulfur, typically in a high temperature and high pressure environment. Alternatively, it can be synthesized through the reaction of magnesium oxide or magnesium hydroxide with hydrogen sulfide gas. Another method involves the thermal decomposition of magnesium thiosulfate. The resulting magnesium sulfide product may require further purification steps to remove any impurities before use.