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Tungsten disilicide information


Tungsten disilicide[1]
Names
IUPAC name
Tungsten disilicide
Identifiers
CAS Number
  • 12039-88-2 checkY
3D model (JSmol)
  • Interactive image
ECHA InfoCard 100.031.723 Edit this at Wikidata
PubChem CID
  • 16212546
CompTox Dashboard (EPA)
  • DTXSID6093960 Edit this at Wikidata
InChI
  • InChI=1S/2Si.W
SMILES
  • [Si]#[W]#[Si]
Properties
Chemical formula
 WSi2
Molar mass 240.011 g/mol
Appearance blue-gray tetragonal crystals
Density 9.3 g/cm3
Melting point 2,160 °C (3,920 °F; 2,430 K)
Solubility in water
 insoluble
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
0
0
Flash point Non-flammable
Related compounds
Other anions
 Tungsten carbide
Tungsten nitride
Other cations
 Molybdenum disilicide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Tungsten disilicide (WSi2) is an inorganic compound, a silicide of tungsten. It is an electrically conductive ceramic material.

  1. ^ Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 4–91, ISBN 0-8493-0594-2

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Tungsten disilicide

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Tungsten disilicide (WSi2) is an inorganic compound, a silicide of tungsten. It is an electrically conductive ceramic material. Tungsten disilicide can...

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Molybdenum disilicide

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Molybdenum disilicide (MoSi2, or molybdenum silicide), an intermetallic compound, a silicide of molybdenum, is a refractory ceramic with primary use in...

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Ohmic contact

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high-temperature processing. Modern ohmic contacts to silicon such as titanium-tungsten disilicide are usually silicides made by CVD. Contacts are often made by depositing...

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Heating element

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materials, including platinum, tungsten disilicide/molybdenum disilicide, and molybdenum (vacuum furnaces). Molybdenum disilicide (MoSi2) an inter-metallic...

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Binary compounds of silicon

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intermetallics are group 6 molybdenum disilicide, a commercial ceramic mostly used as an heating element. Tungsten disilicide is also a commercially available...

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Joan Berkowitz

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molds for spacecraft construction built from molybdenum disilicides and tungsten disilicides, and the disposal and treatment of hazardous wastes. She...

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Tube furnace

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more. Advanced materials in the heating elements, such as molybdenum disilicide (MoSi2) offered in certain models can now produce working temperatures...

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Refractory

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the highest melting points of all known compounds (4215 °C). Molybdenum disilicide has a high melting point of 2030 °C and often used as a heating element...

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Molybdenum

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acrylonitrile and formaldehyde relies on MoOx-based catalysts. Molybdenum disilicide (MoSi2) is an electrically conducting ceramic with primary use in heating...

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Silicide

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electronegative than silicon) Titanium silicide, TiSi2 Tungsten silicide, WSi2 Molybdenum disilicide, MoSi2 Neptunium silicide, NpSi2 Binary compounds of...

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Joule heating

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spacesPages displaying short descriptions of redirect targets Molybdenum disilicide – chemical compoundPages displaying wikidata descriptions as a fallback...

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List of inorganic compounds

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– TiOSO4 Tungsten(VI) chloride – WCl6 Tungsten(VI) fluoride – WF6 Tungsten boride – WB2 Tungsten carbide – WC Tungstic acid – H2WO4 Tungsten hexacarbonyl...

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Strukturbericht designation

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structure C11 → C11a,C11b C11a CaC2 I4/mmm C11b MoSi2 I4/mmm Molybdenum disilicide structure C12 CaSi2 R3m C13 HgI2 P42/nmc Coccinite structure C14 MgZn2...

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Americium

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crystallize in the rock-salt lattice. Americium monosilicide (AmSi) and "disilicide" (nominally AmSix with: 1.87 < x < 2.0) were obtained by reduction of...

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