Micro Molybdenum Disilicide

CAS No.:	12136-78-6
Linear Formula:	MoSi2
Appearance:	Light yellow nearly spherical powder
Standard:	ASTM B387 & ASTM B386
Size:	-325mesh, -100mesh, -200mesh, customized
Purity:	≥99.95%
APS:	1000μm
Specific Surface Area:	17(m2/g)
Bulk Density	1.24(g/cm3)
Tap Density	3.39(g/cm3)

 

Product Description

Micro Molybdenum Disilicide (MoSi₂) is a high-performance ceramic-like intermetallic compound known for its exceptional oxidation resistance, high-temperature stability, and excellent electrical conductivity. With a unique combination of metallic and ceramic properties, MoSi₂ is widely used in high-temperature applications, including heating elements, thermal coatings, and aerospace components.

Micro-sized MoSi₂ powder offers superior sintering performance and enhanced reactivity, making it an ideal material for advanced material synthesis, composite coatings, and electronic applications. It exhibits outstanding thermal shock resistance and maintains structural integrity even at extreme temperatures up to 1900°C.

 

Features & Properties

High-Temperature Stability: Withstands temperatures up to 1900°C without significant degradation.

Exceptional Oxidation Resistance: Forms a protective SiO₂ layer that prevents further oxidation.

Good Electrical Conductivity: Suitable for heating elements and electrical applications.

Excellent Thermal Shock Resistance: Maintains performance under rapid temperature fluctuations.

Corrosion & Wear Resistance: Withstands harsh chemical environments and mechanical stress.

Fine Particle Size Distribution: Optimized for sintering, coatings, and advanced material applications.

 

Product Specifications

Chemical Composition: ≥99.95% MoSi₂

Particle Size: Micro-scale (customizable as per application)

Density: ~6.3 g/cm³

Melting Point: ~2030°C

Thermal Conductivity: ~24 W/m·K

Electrical Resistivity: 0.003–0.005 Ω·cm

Purity: High-purity powder with controlled particle size distribution

 

Product Forms

Fine Powder

Granules

Sintered Parts

Custom Shapes & Coatings

 

Production Method & Production Equipments

Production Method:

Carbothermal Reduction & Silicothermic Reduction: Molybdenum oxide and silicon are reacted at high temperatures under controlled conditions.

Mechanical Milling & Particle Refinement: The synthesized MoSi₂ is processed into micro-sized powder with controlled morphology.

High-Temperature Sintering: Ensures phase purity and enhances material properties.

Plasma Spheroidization (Optional): Enhances flowability and uniformity for coating applications.

Quality Control & Analysis: X-ray diffraction (XRD), scanning electron microscopy (SEM), and laser particle size analysis ensure high purity and consistency.

Production Equipments:

High-Temperature Vacuum Furnaces

Ball Mills & Jet Mills

Plasma Spheroidization Equipment

XRD & SEM Analyzers

Laser Particle Size Analyzers

 

Applications & Related Industries

High-Temperature Heating Elements: Used in electric furnaces for sintering ceramics and metals.

Protective Coatings: Ideal for oxidation-resistant coatings in aerospace and industrial applications.

Electronics & Semiconductor Industry: Used in conductive and dielectric applications.

Aerospace & Defense: Applied in high-temperature structural materials and turbine coatings.

Ceramics & Refractory Industry: Enhances strength and stability of ceramic composites.

Metallurgical Additives: Used in composite materials for wear-resistant coatings.

 

Interesting Facts

MoSi₂ is known for its self-healing oxidation resistance, as the SiO₂ layer regenerates when exposed to air.

It is widely used in heating elements due to its excellent electrical and thermal conductivity.

Molybdenum disilicide is a key material in advanced ceramic-metal composites for high-performance applications.

The fine particle size of micro MoSi₂ enhances sintering efficiency and mechanical properties.

 

Synonyms

Molybdenum Silicide

MoSi₂ Powder

Molybdenum Disilicide Micro Powder

MoSi₂ Heating Element Material

 

Health & Safety Information

Handling Precautions: Use in a well-ventilated area to avoid inhaling fine powder.

Storage Conditions: Store in a dry, sealed container to prevent oxidation and contamination.

Protective Equipment: Wear gloves, protective goggles, and dust masks when handling.

Disposal Considerations: Follow local regulations for disposal of metal and ceramic powders.

 

Why Choose Us for Your Micro Molybdenum Disilicide Needs?

✔ High-Purity & Customizable Particle Size: We offer MoSi₂ with precise specifications for various applications.
✔ Advanced Production Technology: Our manufacturing processes ensure superior quality and consistency.
✔ Global Supply Capability: We provide reliable international shipping with flexible order quantities.
✔ Competitive Pricing: Cost-effective solutions without compromising on quality.
✔ Expert Support: Our technical team is available to assist with material selection and application guidance.

 

Contact Us Today

For pricing, technical specifications, or custom orders, get in touch with our team today. We're ready to help you find the best solution for your Micro Molybdenum Disilicide requirements.

 

Chemical Identifiers

Linear Formula	MoSi2
MDL Number	MFCD00151535
EC No.	235-231-8
Beilstein/Reaxys No.	N/A
Pubchem CID	6336985
IUPAC Name	bis(λ2-silanylidene) molybdenum
SMILES	[Si]=[Mo]=[Si]
InchI Identifier	InChI=1S/Mo.2Si
InchI Key	YXTPWUNVHCYOSP-UHFFFAOYSA-N

Molybdenum Disilicide Properties (Theoretical)

Compound Formula	MoSi2
Molecular Weight	152.11
Appearance	solid
Melting Point	N/A
Boiling Point	N/A
Density	6.31 g/cm3
Solubility in H2O	N/A
Exact Mass	153.859261
Monoisotopic Mass	153.859261

Molybdenum Disilicide Health & Safety Information

Signal Word	Warning
Hazard Statements	H302-H312-H332
Hazard Codes	Xn
Risk Codes	20/21/22
Safety Statements	36
RTECS Number	N/A
Transport Information	N/A
WGK Germany	3

 

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