High Purity Molybdenum Disulfide MoS2 Powder CAS 1317-33-5, 99% |

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Molybdenum disulfide is the main component of molybdenite. Black solid powder with a metallic luster. Chemical formula MoS2, melting point 1185, density 4.80g/cm3 (14) Purity:98.5 to 99%
Particle size: 1.5mm,5mm,10mm
About Molybdenum Disulfide MoS2 Powder:
Molybdenum disulfide is an inorganic compound composed of molybdenum and sulfur. Molybdenum disulfide chemical formula is MoS2.
Like most mineral salts, Moly disulfide has a high melting point but begins to sublime at a relatively low 450oC. This property is useful for purifying compounds.

This compound is classified as a transition metal dihalide. Moly sulfide is a silver-black solid in the form of molybdenite (the main ore of molybdenum). MoS2 is relatively unreactive. It is not affected by dilute acid and oxygen. In appearance and feel, molybdenum disulfide is similar to graphite. Because of its low friction and robustness, it is widely used as a dry lubricant. Bulk MoS2 is a diamagnetic, indirect bandgap semiconductor similar to silicon, with a bandgap of 1.23 eV.

In addition to its lubricity, MoS2 is also a semiconductor. It is also known that when doped with an electrostatic field, it and other semiconductor transition metal chalcogenides become superconductors on its surface.
MoS2 and related molybdenum sulfides are efficient catalysts for hydrogen evolution, including the electrolysis of water; thus, are possibly useful to produce hydrogen for use in fuel cells.

As in graphene, the layered structures of MoS2 and other transition metal dichalcogenides exhibit electronic and optical properties that can differ from those in bulk. Bulk MoS2 has an indirect bandgap of 1.2 eV, while MoS2 monolayers have a direct 1.8 eV electronic bandgap. supporting switchable transistors and photodetectors.

The sensitivity of a graphene field-effect transistor (FET) biosensor is fundamentally restricted by the zero band gap of graphene, which results in increased leakage and reduced sensitivity. In digital electronics, transistors control current flow throughout an integrated circuit and allow for amplification and switching. In biosensing, the physical gate is removed and the binding between embedded receptor molecules and the charged target biomolecules to which they are exposed modulates the current.

MoS2 also possesses mechanical strength, electrical conductivity, and can emit light, opening possible applications such as photodetectors. MoS2 has been investigated as a component of photoelectrochemical (e.g. for photocatalytic hydrogen production) applications and for microelectronics applications.

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Molybdenum Disulfide
Molybdenum Disulfide basic information:
English name: Molybdenum Disulfide
Molybdenum Disulfide CAS No. : 1317-33-5
Molybdenum Disulfide Molecular formula: MoS2
Molybdenum Disulfide Molar mass:160.06
Molybdenum Disulfide Appearance: black/lead-gray solid
Molybdenum Disulfide Density(water=1): 4.8
Molybdenum Disulfide Melting point(): 1185
Molybdenum Disulfide Solubility: decomposed by aqua regie, hot sulfuric acid, nitric acid, insoluble in dilute acid and water
Molybdenum Disulfide Hazardous characteristics: the powder in high temperature will burn and react violently with peroxide.
MoS2 Grade FFFS Particle size SEM Laser Median Particle size Bulk density
Technical 3 to 4 mm <1 to100 mm <30 mm 1.3 g/cm3
Technical Fine 0.65 to 0.8 <0.5 to 20 mm <6 mm 0.4 g/cm3
Super Fine 0.4 to 0.45 <0.5 to 8 mm <1.5 mm 0.3 g/cm3

Certificate of Molybdenum Disulfide:
Chemical Composition Analysis %
MoS2 Fe SiO2 H2O MoO3 Oil acid insoluble PH
98.5 to 99 0.25 0.13 0.14 0.25 0.16 0.25 0.5

How is Molybdenum Disulfide MoS2 Powder produced?
MoS2 is naturally found as molybdenite (a crystalline mineral) or pyroxene (a rare low-temperature form of molybdenite). The molybdenite is processed by flotation to obtain relatively pure MoS2. The main pollutant is carbon. MoS2 can also be produced by heat treatment of almost all molybdenum compounds with hydrogen sulfide or elemental sulfur and can be produced by the metathesis reaction of molybdenum pentachloride.

Molybdenum Disulfide Uses:
Molybdenum disulfide is used as a dry lubricant in, e.g. greases, dispersions, friction materials and bonded coatings. Molybdenum-sulfur complexes may be used in suspension but more commonly dissolved in lubricating oils at concentrations of a few percent. MoS2 is used as additives in lubricating grease, friction materials, plastic, rubber, nylon, PTFE, coating and so on.
1) Widely used in automotive and mechanical industries, could be a very good solid lubricant material.
2) Lubricant for the drill bits, cutting tools and some non-oil and hard alloy steel; Lubricant additive and film remover of the nonferrous metals.
3) Preparation of greases and additives of solid lubricant films, nylon filters and catalysts.
4) Synthetic MoS2 is employed as a catalyst for desulfurization in petroleum refineries.

Storage Condition of Molybdenum Disulfide MoS2 Powder:
Damp reunion will affect MoS2 powder dispersion performance and using effects, therefore, Molybdenum Disulfide MoS2 Powder powder should be sealed in vacuum packing and stored in cool and dry room, the Molybdenum Disulfide MoS2 Powder can not be exposure to air. In addition, the Molybdenum Disulfide powder should be avoided under stress.

Packing & Shipping of Molybdenum Disulfide MoS2 Powder:
We have many different kinds of packing which depends on the Molybdenum Disulfide MoS2 Powder quantity.
Molybdenum Disulfide MoS2 Powder packing: vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Molybdenum Disulfide MoS2 Powder shipping: could be shipped out by sea , by air, by express as soon as possible once payment receipt.

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Molybdenum Disulfide Properties

Other Names Molybdenum Disulfide, Molybdenum Sulfide, MoS2
CAS No. 1317-33-5
Compound Formula MoS2
Molecular Weight 160.07 g/mol
Appearance black/lead-gray solid
Melting Point 2,375 degC (4,307 degF; 2,648 K)
Boiling Point N/A
Density 5.06 g/cm3
Solubility in H2O (water) insoluble
Electrical Resistivity N/A
Poisson’s Ratio N/A
Specific Heat N/A
Thermal Conductivity N/A
Thermal Expansion N/A
Young’s Modulus N/A
Exact Mass 161.849549
Monoisotopic Mass 161.849549

Molybdenum Disulfide Health & Safety Information

Safety Warning Warning
Hazard Statements H315-H319-H335
Hazard Codes Xi
Risk Codes N/A
Safety Statements N/A
RTECS Number N/A
Transport Information NONH for all modes of transport
WGK Germany 3
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