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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. CAS NO.:7439-98-7

3. Molecular Weight:

4. 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.

5. Specification: 98.5%

If you need complete technical data and detailed specifications, please contact us directly.

Email: wq@wqgroup.net

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6. Packing: net 100kg drum

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.

• Our team includes professional technical personnel who provide tailored support, from helping you optimize rubber formulations to troubleshooting application issues.

• We adhere to the business philosophy of “breaking old rules and embracing innovation,” constantly improving our production processes to enhance product quality and reduce costs.

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