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Molybdenum Sulfide
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Molybdenum Sulfide

Molybdenum sulfide primarily refers to molybdenum disulfide (MoS2), the most common and commercially significant compound of molybdenum and sulfur. It's a dry lubricant, a semiconductor, and a catalyst with a unique layered structure.
CAS NO.: 1317-33-5
Packing: Net 25kg drum
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  • 98.5%

  • W&Q

1. Molecular Formula: MoS2

2. Property: Molybdenum sulfide has shiny dark grey color which has very good chemical stability and thermal stability. Insoluble in water and dilute acid. Melting point is 2375℃, the density is 4.8g/cm3 (14℃), and the Mohs hardness is 1.0-1.5.

3. Specification(%):

MoS2

98.5min

MoO3

0.1max

Fe

0.25max

Oil

0.4max

Acid Number

2max

Insoluble

0.5max

D50 (um)

according to the requirement

Molybdenum Sulfide


Usage

Application Area Examples
Industrial Lubrication Low friction, stability under high pressure/vacuum/extreme temperatures, water resistance.
Catalysis & Chemical Processes High surface area, active edge sites for chemical reactions.
Electronics & Optoelectronics Semiconducting behavior (in 2H phase), good on/off current ratio, sensitivity to light/strain.
Energy Storage & Conversion High lithium-ion storage capacity, ability to facilitate charge transfer.
Specialized & Emerging Uses Lubricity, thermal/chemical stability, photothermal conversion efficiency, versatility in synthesis.



  • Extreme Environment Lubrication
    Dry-burnished films, additive to greases, oils, self-lubricating plastics, brake linings.
  • Excellent Wear Protection & Reduced Friction
    Automotive parts (CV joints, bearings), industrial machinery, press-fitting, run-in aid.
  • Versatile & Stable
    Aerospace, military equipment, agricultural and construction machinery.
  • Electronic Devices
    It acts as a semiconductor with a tunable bandgap, making it a promising alternative to silicon and graphene for flexible electronics, field-effect transistors (FETs), and spintronics.
  • Energy Storage & Conversion
    It's widely researched for use in lithium-ion batteries and solar cells because it can improve energy storage capacity and conversion efficiency.
  • Catalysis & Sensors
    Its active surface sites make it an effective and lower-cost catalyst for the hydrogen evolution reaction. It is also highly sensitive for use in gas, optical, and biosensors.
  • Extreme Environment Lubrication
    Dry-burnished films, additive to greases, oils, self-lubricating plastics, brake linings.
  • Excellent Wear Protection & Reduced Friction
    Automotive parts (CV joints, bearings), industrial machinery, press-fitting, run-in aid.
  • Versatile & Stable
    Aerospace, military equipment, agricultural and construction machinery.
  • Electronic Devices
    It acts as a semiconductor with a tunable bandgap, making it a promising alternative to silicon and graphene for flexible electronics, field-effect transistors (FETs), and spintronics.
  • Energy Storage & Conversion
    It's widely researched for use in lithium-ion batteries and solar cells because it can improve energy storage capacity and conversion efficiency.
  • Catalysis & Sensors
    Its active surface sites make it an effective and lower-cost catalyst for the hydrogen evolution reaction. It is also highly sensitive for use in gas, optical, and biosensors.
  • Water Treatment
    A 2024 study showed that synthesized MoS₂ can effectively remove endocrine-disrupting chemicals like progesterone from water, with an efficiency improvement of over 12% compared to commercial versions.
  • Water Treatment
    A 2024 study showed that synthesized MoS₂ can effectively remove endocrine-disrupting chemicals like progesterone from water, with an efficiency improvement of over 12% compared to commercial versions.
FAQs
  • How to Use Molybdenum Sulfide?
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    For Lubrication or Bulk Chemical Use: You'll typically work with micron- or nano-sized powders. The key is to ensure it's well-dispersed within oils, greases, or composite materials. For coatings, techniques like burnishing or spray-coating with a binder are common.

    For Advanced Electronics or Energy Research: This often requires high-purity, few-layer (2D) MoS₂. This can be sourced as a dispersion or synthesized via methods like chemical vapor deposition (CVD) for high-quality films. The 1T (metallic) phase is more catalytically active than the common 2H (semiconducting) phase for applications like hydrogen production.
  • What's "few-layer" or "nano" MoS₂?
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    Material processed to near atomic thinness, which enhances properties like catalytic activity and gives it unique electronic/optical traits for advanced tech.
  • How is MoS₂ used in electronics?
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    As a semiconductor (especially in single/few-layer form) for making transistors, sensors, and components for batteries and solar cells.

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W&Q stand out as a leading supplier of Molybdenum Sulfide, backed by our expertise in fine chemicals and customer focus:

• We offer a full product line of cobalt, nickel, copper, fluoride, tungsten, and rare earth compounds—so you can source all your industrial chemicals from a single, reliable supplier.

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