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What is Molybdenum Silicide MoSi2 Powder?

Molybdenum Silicide Overview

MoSi2 is an intermetallic compound and molybdenum silicide is a refractory ceramic mainly used in heating elements. It has a medium density, has a melting point of 2030°C, and is electrically conductive. At high temperatures, it forms a passivation layer of silicon dioxide to protect it from further oxidation.

Characteristics of Molybdenum Silicide MoSi2 Powder

Molybdenum silicide MoSi2 powder (CAS 12136-78-6) has high melting point, high corrosion resistance, high oxidation resistance, good electrical conductivity, high temperature ductility, binary alloy intermediate phase, dual-characteristic metals and ceramics.

How is molybdenum silicide MoSi2 powder produced?

Molybdenum disilicide and MoSi2 based materials are usually made by sintering. Plasma spraying can be used to produce dense monolithic and composite forms. The material produced by this method may contain a certain proportion of β-MoSi2 due to its rapid cooling.

Application of molybdenum disilicide

MoSi2 is used in high-temperature anti-oxidation coating materials, electric heating elements, integrated electrode films, structural materials, composite material reinforcements, wear-resistant materials, and structural ceramic connecting materials. Distributed in the following industries:

1) Energy and chemical industry: electric heating elements, high temperature heat exchangers of atomic reactor devices, gas burners, high temperature thermocouples and their protective tubes, smelting vessels and crucibles (for smelting sodium, lithium, lead, bismuth, tin) and other metals ).

2) Microelectronics industry: MoSi2 and some other refractory metal silicides Ti5Si3, WSi2, TaSi2, etc. are important candidates for large-scale integrated circuit gate and interconnect films.

3) Aerospace industry: As a high temperature anti-oxidation coating material, it has been widely and deeply researched and applied. Especially as materials for turbine engine components such as blades, impellers, combustors, nozzles and seals.

4) Automobile industry: turbocharger rotors, valve bodies, spark plugs and engine parts for automobiles.

Molybdenum disilicide price

The price of MoSi2 varies randomly with factors such as production costs, transportation costs, international conditions, exchange rates, and supply and demand in the molybdenum disilicide market. Tanki New Materials Co., Ltd. aims to help industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full range of customized services. If you are looking for molybdenum disilicide material, please feel free to contact for the latest price of molybdenum disilicide.

Molybdenum disilicide suppliers

As a global molybdenum disilicide supplier, Tanki New Materials Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced and engineered materials. The company has successfully developed a series of powder materials (titanium silicide, tantalum silicide, zirconium silicide, etc.). High-purity targets, functional ceramics and structural devices, and provide OEM services.

Chemical Composition of Molybdenum Silicide MoSi2 Powder

MoSi2MoSiCSFeSNi
>99%>60%balance0.2%0.02%0.19%0.015%0.05%
Molybdenum Disulfide Properties
Other NamesMolybdenum Disulfide, Molybdenum Sulfide, MoS2
CAS No.1317-33-5
Compound Formula MoS2 
Molecular Weight160.07 g/mol
Appearance black/lead-gray solid
Melting Point2,375 °C (4,307 °F; 2,648 K)
Boiling PointN/A
Density5.06 g/cm3
Solubility in H2O (water)insoluble
Electrical ResistivityN/A
Poisson's RatioN/A
Specific HeatN/A
Thermal ConductivityN/A
Thermal ExpansionN/A
Young's ModulusN/A
Exact Mass161.849549
Monoisotopic Mass161.849549
Molybdenum Disulfide Health & Safety Information
Safety WarningWarning
Hazard StatementsH315-H319-H335
Hazard CodesXi
Risk CodesN/A
Safety StatementsN/A
RTECS NumberN/A
Transport InformationNONH for all modes of transpor


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