Molybdenum Sulfide (MoS2)-Granules

Characteristic




Molybdenum disulfide (or moly) is an inorganic compound composed of molybdenum and sulfur. Its chemical formula is MoS2.




Chemical formula：MoS2

Molar mass：160.07 g/mol

Appearance：black/lead-gray solid

Density：5.06 g/cm3

Melting point：2,375 °C (4,307 °F; 2,648 K)

Solubility in water：insoluble

Solubility：decomposed by aqua regia, hot sulfuric acid, nitric acid

                   insoluble in dilute acids

Band gap：1.23 eV (indirect, 3R or 2H bulk)

                   ~1.8 eV (direct, monolayer)




Application




It is widely used as a dry lubricant because of its low friction and robustness. Bulk MoS2 is a diamagnetic, indirect bandgap semiconductor similar to silicon, with a bandgap of 1.23 eV.