Molybdenum disulfide CAS# 1317-33-5

Molybdenum disulfide (MoS2) is an inorganic compound known for its solid lubricating properties. It is a layered structure with molybdenum atoms sandwiched between layers of sulfur atoms. MoS2 is used as a lubricant, particularly in applications requiring high-temperature stability and low friction. This compound is also a catalyst and is utilized in the hydrogenation of fats and oils. It has a wide range of industrial applications, including in the manufacturing of high-performance greases, as an additive in engine oils, and in the production of certain chemicals. Its unique properties make it valuable in various sectors, from automotive to aerospace.

Molybdenum disulfide CAS# 1317-33-5

Molybdenum disulfide Chemical Properties
Melting point 2375 °C
density 5.06 g/mL at 25 °C(lit.)
solubility insoluble in H2O; soluble in concentrated acid solutions
form powder
color Gray to dark gray or black
Specific Gravity 4.8
Odor odorless
Water Solubility Soluble in hot sulfuric acid, and aquaregia. Insoluble in water, concentrated sulfuric acid and dilute acid.
Merck 14,6236
Boiling point 100°C (water)
Exposure limits ACGIH: TWA 10 mg/m3; TWA 3 mg/m3
NIOSH: IDLH 5000 mg/m3
Stability: Stable. Incompatible with oxidizing agents, acids.
InChIKey CWQXQMHSOZUFJS-UHFFFAOYSA-N
CAS DataBase Reference 1317-33-5(CAS DataBase Reference)
EPA Substance Registry System Molybdenum sulfide (MoS2) (1317-33-5)
Bandgap 1.23 eV
Electronic properties 2D Semiconductor
Safety Information
Safety Statements 22-24/25
WGK Germany
RTECS QA4697000
TSCA Yes
HS Code 28309090
Hazardous Substances Data 1317-33-5(Hazardous Substances Data)
Toxicity LC50 inhalation in rat: > 2820mg/m3/4H