Magnesium Sulfide


Magnesium sulfide is colorless to brown crystal powder, which is sulfide of magnesium. It is of sodium chloride type structure and the chemical property is similar to other  ionic type sulfide compounds as sodium sulfide, barium sulfide and calcium sulfide. Magnesium metal and pure sulfur are the raw materials.  It dissolve in diluted hydrochloric acid, however MgS crystal react with water slowly.

Magnesium Sulphide (MgS) is an inorganic compound with unique optical and thermal properties, making it valuable across several advanced technology sectors. With a wide bandgap and high stability, magnesium sulphide serves an important role in optoelectronic devices, high-performance ceramics, and applications that require materials capable of withstanding extreme temperatures.

Magnesium Sulfide

CAS No.:12032-36-9EINECS No.:234-771-1Molecular Formula:MgSMolecular Weight:5638
Melting Point:2000℃Density:2.68  

Applications

Magnesium sulphide can apply to do desulfurization for iron and steel and making fluorescent powder.  It can apply as a semiconductor with wide band gap.

In optoelectronics, magnesium sulphide is used as a phosphor material due to its luminescent properties. MgS can emit light when excited, making it suitable for devices like LEDs and display technologies that rely on efficient light emission. Additionally, magnesium sulphide is utilized in infrared (IR) sensors and detectors, benefiting applications in night vision, thermal imaging, and environmental monitoring, where infrared transparency and stability are crucial.

In ceramics, MgS is valued for its ability to enhance the performance of high-strength, high-temperature ceramics. These ceramics are essential in industries such as aerospace and automotive manufacturing, where materials must maintain strength and stability under harsh conditions. MgS can be incorporated into ceramic composites to improve their thermal resistance and mechanical properties, extending their durability and performance in challenging environments.