Title: Molybdenum Disulfide
CAS Registry Number: 1317-33-5
Molecular Formula: MoS2
Molecular Weight: 160.07
Percent Composition: Mo 59.94%, S 40.06%
Literature References: Occurs as the mineral molybdenite, which is the principal source of molybdenum. Lab prepn: Bell, Herfert, J. Am. Chem. Soc. 79, 3351 (1957).
Properties: Lead-gray, lustrous powder; the artificially prepd sulfide is black and lustrous. d1515 5.06; mp 2375°. Begins to sublime at 450°. Insol in water or dil acids.
Melting point: mp 2375°
Density: d1515 5.06
Use: Dry lubricant and lubricant additive. Hydrogenation catalyst.