Molybdenum silicide

ChemicalBook > CAS DataBase List > Molybdenum silicide

Product Name: Molybdenum silicide
CAS No.: 12136-78-6
Chemical Name: Molybdenum silicide
Synonyms: MOSI2 B;MOSI2 C;MOLYBDENUM SILICIDE;MOLYBDENUM SILICIDE;Molybdenum disiticide;MOLYBDENUM DISILICIDE;molybdenum(IV) silicide;Molybdenum silicide MoSi2;Molybdenum silicide/ 99.5%;MOSI2 A MOLYBDENUM SILICIDE
CBNumber: CB3263947
Molecular Formula: MoSi2
Formula Weight: 152.11
MOL File: 12136-78-6.mol

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Molybdenum silicide Property

Melting point:: 1930°C
Density: 6.31 g/mL at 25 °C(lit.)
solubility: insoluble in H2O; soluble in HF
form: powder
color: Dark gray
Specific Gravity: 6.31
Resistivity: 21.5 (ρ/μΩ.cm)
Water Solubility: Insoluble in acids and aqua regia, however, it is soluble in HF and HNO{3}Soluble in nitric acid and hydrofluoric acid. Insoluble in water most acids.
Crystal Structure: Tetragonal
Exposure limits: ACGIH: TWA 10 mg/m3; TWA 3 mg/m3
NIOSH: IDLH 5000 mg/m3
EPA Substance Registry System: Molybdenum silicide (MoSi2) (12136-78-6)

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Safety

Hazard Codes: Xn
Risk Statements: 20/21/22
Safety Statements: 36
WGK Germany: 3
TSCA: Yes

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H312Harmful in contact with skin

H332Harmful if inhaled

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P322Specific measures (see …on this label).

P330Rinse mouth.

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 243647
Product name: Molybdenum disilicide
Purity: powder, ≥99% trace metals basis
Packaging: 250g
Price: $454
Updated: 2024/03/01

Alfa Aesar

Product number: 011549
Product name: Molybdenum silicide, Mo 61% min, typically 99.5% (metals basis)
Packaging: 50g
Price: $93.65
Updated: 2024/03/01

Alfa Aesar

Product number: 011549
Product name: Molybdenum silicide, Mo 61% min, typically 99.5% (metals basis)
Packaging: 250g
Price: $340
Updated: 2023/06/20

Strem Chemicals

Product number: 42-1550
Product name: Molybdenum disilicide, 0.4-5.0 microns (99+%-Mo)
Packaging: 50g
Price: $77
Updated: 2024/03/01

Strem Chemicals

Product number: 42-1550
Product name: Molybdenum disilicide, 0.4-5.0 microns (99+%-Mo)
Packaging: 250g
Price: $307
Updated: 2024/03/01

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Molybdenum silicide Chemical Properties,Usage,Production

Chemical Properties

Molybdenum silicide is dark-gray, crystalline powder. Not affected by air upto 1648°C. Not attacked by most inorganic acidsincluding aqua regia, but very soluble in hydrofluo-ric and nitric acids. Has high stress-rupture strength.

Physical properties

The compound is thermally stable in air up to 1000°C. Corrosion resistant to molten metals such as Zn, Pd, Ag, Bi, and Rb. Corroded by liquid metals Mg, Al, Si, V, Cr, Mn, Fe, Ni, Cu, Mo, and Ce.

Uses

MOLYBDENUM SILICIDE can be considered as an electrically conducting ceramic with primary use in heating elements operating at temperatures above 1,500℃ in air. It is also considered as a material for very high temperature structural applications.

Uses

In electrical resistors, in protective coatings at high temperatures, and in engine parts in space vehicles Molybdenum silicide is used in electric furnaces, glass, steel, electronics and ceramics industries. It finds application in heat treatment materials. It is also used in microelectronics as a contact material. Further, it serves as a dry lubricant.

Application

Molybdenum disilicide (MoSi2) is a ceramic material with excellent high-temperature oxidation resistance and corrosion resistance. It can be used as a substrate material in the fabrication of thermophotovoltaics. MoSi2 can also be used as a protective coating on carbon-carbon composites for potential applications in aerospace and thermonuclear fusion.

Preparation

Molybdenum disilicide is a promising candidate material for high temperature structural applications. Molybdenum silicide is produced in much the same way as ferromolybdenum. A typical mix for the production of molybdenum silicide is 1,000pounds of molybdenum in oxide, 259 pounds of aluminum, 760 pounds of 90-percent ferrosilicon, 166 pounds of 50-percent ferro-silicon, 160 pounds of lime, and 50 pounds of high-grade fluorspar.

Definition

MOLYBDENUM SILICIDE is A cermet.

General Description

This product has been enhanced for energy efficiency.

Hazard

MOLYBDENUM SILICIDE is Toxic material.

Flammability and Explosibility

Not classified

Industrial uses

High-temperature silicides are a new class of materials with potential applications in the temperature range 1200 to 1600 C.The silicide that seems most promising is molybdenum disilicide (MoSi₂) because of its high melting temperature (2200 C) and excellent oxidation resistance. It has a tetragonal crystal structure. A major problem is its absence of ductility at temperatures up to 1000 C. It also has poor high-temperature strength due to the presence of a grain boundary silicon-rich phase that may become viscous at very high temperatures. Recent research has shown that this problem may be solved by the addition of carbon to the material.

Molybdenum silicide Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Molybdenum silicide manufacturers

Hebei Mojin Biotechnology Co., Ltd

Product: Molybdenum silicide 12136-78-6
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-09-26

Hebei Guanlang Biotechnology Co., Ltd.

Product: Molybdenum silicide 12136-78-6
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2022-10-31

Career Henan Chemical Co

Product: MOLYBDENUM SILICIDE 12136-78-6
Price: US $1.00/KG
Min. Order: 1KG
Purity: 85.0-99.8%
Supply Ability: 200kg
Release date: 2019-08-30

12136-78-6, Molybdenum silicideRelated Search:

MANGANESE SILICIDE Indium(III) oxide Molybdenum carbide Vanadium carbides Silicon carbide Boron carbide Silicon nitride HAFNIUM CARBIDE Vanadium(V) oxide MAGNESIUM SILICIDE Molybdenum Molybdenum silicide MOLYBDENUM SILICIDE, 99.5% (METALS BASIS),MOLYBDENUM SILICIDE Zirconium boride-Molybdenum silicide, 90:10 wt %, 99% (metals basis) MOLYBDENUM SILICIDE SPUTTERING TARGET, 76.2MM (3.0IN) DIA X 3.18MM (0.125IN) THICK, 99.5% (METALS BASIS) Molybdenum silicide (MoSi2), solid soln. with zirconium boride (ZrB2) ZIRCONIUM BORIDE-MOLYBDENUM SILICIDE MOLYBDENUM SILICIDE SPUTTERING TARGET, 76.2MM (3.0IN) DIA X 6.35MM (0.250IN) THICK, 99.5% (METALS BASIS)

Molybdenum disiticide

Molybdenum silicide (99+% Mo)

MOLYBDENUM DISILICIDE, POWDER, <2 MICRON , 99+%

Mo61%min,typically99.5%(metalsbasis)

MOSI2 A MOLYBDENUM SILICIDE GRADE A - A PRODUCT OF H.C. STARCK

MOSI2 B MOLYBDENUM SILICIDE GRADE B - A PRODUCT OF H.C. STARCK

MOSI2 C MOLYBDENUM SILICIDE GRADE C - A PRODUCT OF H.C. STARCK

MOLYBDENUM SILICIDE: 99.5%, -325 MESH

Molybdenum silicide, Mo 61% min, typically 99.5% (metals basis)

Molybdenum silicide sputtering target, 76.2mm (3.0in) dia x 3.18mm (0.125in) thick, 99.5% (metals basis)

Molybdenum silicide sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick, 99.5% (metals basis)

Molybdenum silicide sputtering target, 50.8mm (2.0in) dia x 6.35mm (0.250in) thick, 99.5% (metals basis)

Molybdenum silicide sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick, 99.5% (metals basis)

Molybdenum Silicide, -325 Mesh

MOSI2 A MOLYBDENUM SILICIDE

MOSI2 B

MOSI2 C

MOLYBDENUM DISILICIDE

MOLYBDENUM SILICIDE

Molybdenum silicide sputtering target, 50.8mm (2.0in) dia x 6.35mm (0.250in) thick, 99.5% (metals ba

Molybdenum silicide sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick, 99.5% (metals ba

Molybdenum silicide/ 99.5%

MOLYBDENUM SILICIDE, Mo5Si3

MOLYBDENUM DISILICIDE, 99+%

Molybdenum silicide(MoSi<sub>2</sub>)

Molybdenum disilicide alpha-phase, powder, >=99.8% trace metals basis

Molybdenum silicide, 99.5% trace metals basis

Molybdenum disilicide powder (MoSi2)

Molybdenum silicide sputtering target, 50.8mm (2.0 in.) dia. x 6.35mm (0.250 in.) thick

Molybdenum silicide sputtering target, 76.2mm (3.0 in.) dia. x 6.35mm (0.250 in.) thick

Molybdenum silicide sputtering target, 50.8mm (2.0 in.) dia. x 3.18mm (0.125 in.) thick

Molybdenum disilicide, 0.4-5.0 microns (99+%-Mo)

bis(λ^{2}-silanylidene)molybdenum

MOLYBDENUM SILICIDE ISO 9001：2015 REACH

Molybdenum silicide MoSi2

Erbium (Er) Sputtering Targets

Molybdenum disilicide, 99.9%

Molybdenum silicide, Mo 61% min, typically 99.5% (metals bas

Molybdenum disilicide, 99.8%

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MOLYBDENUM SILICIDE

molybdenum(IV) silicide

Molybdenum silicide, powder

12136-78-6

12136-78-9

Ceramics

Metal and Ceramic Science

Silicides

metal silicide