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Magnesium silicide information


Magnesium silicide
Names
Preferred IUPAC name
Magnesium silicide
Identifiers
CAS Number
  • 22831-39-6 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 81111 checkY
ECHA InfoCard 100.041.125 Edit this at Wikidata
EC Number
  • 245-254-5
PubChem CID
  • 89858
UNII
  • 475E6FMG3K checkY
UN number 2624
CompTox Dashboard (EPA)
  • DTXSID4066830 Edit this at Wikidata
InChI
  • InChI=1S/2Mg.Si checkY
    Key: YTHCQFKNFVSQBC-UHFFFAOYSA-N checkY
  • InChI=1/2Mg.Si/rMg2Si/c1-3-2
    Key: YTHCQFKNFVSQBC-GEBTXNJDAA
SMILES
  • [Mg]=[Si]=[Mg]
Properties
Chemical formula
Mg2Si
Molar mass 76.695 g·mol−1
Appearance Gray cubic crystals[1]
Density 1.99 g cm−3[1]
Melting point 1,102 °C (2,016 °F; 1,375 K)[1]
Solubility in water
reacts[1]
Structure[2]
Crystal structure
Antifluorite (cubic), cF12
Space group
Fm3m, #225
Lattice constant
a = 0.6351 nm
Formula units (Z)
4
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
reacts with water to produce pyrophoric silane
GHS labelling:
Pictograms
GHS02: Flammable
Signal word
Warning
Hazard statements
H261
Precautionary statements
P231+P232, P280, P370+P378, P402+P404, P501
Related compounds
Other cations
Calcium silicide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)
Infobox references

Magnesium silicide, Mg2Si, is an inorganic compound consisting of magnesium and silicon. As-grown Mg2Si usually forms black crystals; they are semiconductors with n-type conductivity and have potential applications in thermoelectric generators.[3]

  1. ^ a b c d Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 4.74. ISBN 1-4398-5511-0.
  2. ^ Noda Y., Kon H., Furukawa Y., Otsuka N., Nishida I.A., Masumoto K. (1992). "Preparation and Thermoelectric Properties of Mg2Si1−xGex (x=0.0~0.4) Solid Solution Semiconductors". Mater. Trans., JIM. 33 (9): 845–850. doi:10.2320/matertrans1989.33.845.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  3. ^ Cite error: The named reference stam was invoked but never defined (see the help page).

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Magnesium silicide

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Magnesium silicide, Mg2Si, is an inorganic compound consisting of magnesium and silicon. As-grown Mg2Si usually forms black crystals; they are semiconductors...

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Silicide

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layer of silicide at the metal–semiconductor interface. Nickel silicide, NiSi Sodium silicide, NaSi Magnesium silicide, Mg2Si Platinum silicide, PtSi (platinum...

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Fluorite structure

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sites, in which each silicide anion is surrounded by eight magnesium cations and each magnesium cation is surrounded by four silicide anions in a tetrahedral...

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Silane

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Typically, it arises from the reaction of hydrogen chloride with magnesium silicide: Mg 2 Si + 4 HCl ⟶ 2 MgCl 2 + SiH 4 {\displaystyle {\ce {Mg2Si + 4...

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Silicon compounds

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first made by Henri Moissan and Samuel Smiles by the protonolysis of magnesium silicides. Further investigation had to wait until 1916 because of the great...

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Thermal analysis

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phases such as carbides, beta crystals, inter crystalline copper, magnesium silicide, iron phosphide's and other phases as they solidify. Detection limits...

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List of CAS numbers by chemical compound

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12032–30–3 Mg2Si magnesium silicide 22831–39–6 Mg3(AsO4)2 magnesium arsenate 10103–50–1 Mg3N2 magnesium nitride 12057–71–5 Mg3Sb2 magnesium antimonide 12057–75–9...

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Trisilane

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Stock having prepared it by the reaction of hydrochloric acid and magnesium silicide. This reaction had been explored as early as 1857 by Friedrich Woehler...

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Disilane

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group 14 hydride. Disilane is usually prepared by the hydrolysis of magnesium silicide. This reaction produces silane, disilane, and even trisilane. The...

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Tetrasilane

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silane analog of butane. Tetrasilane can be prepared by reacting magnesium silicide (Mg2Si) with acids like 20% phosphoric acid in 50–60 °C. M g 2 S i...

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Binary compounds of silicon

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composition: magnesium silicide is represented by Mg2Si, calcium silicide can be represented by Ca2Si, CaSi, CaSi2, Ca5Si3 and by Ca14Si19, strontium silicide can...

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Ductile iron

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S. patent 1,790,552 in January 1931 for inoculating iron with calcium silicide to produce ductile iron subsequently licensed as Meehanite, still produced...

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List of UN numbers 2601 to 2700

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UN 2623 4.1 Firelighters, solid with flammable liquid UN 2624 4.3 Magnesium silicide UN 2625 ? (UN No. no longer in use) UN 2626 5.1 Chloric acid aqueous...

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Silicon carbide

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In December 2015, infusion of silicon carbide nano-particles in molten magnesium was mentioned as a way to produce a new strong and plastic alloy suitable...

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Ferrosilicon

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silicon content by weight of 15–90%. It contains a high proportion of iron silicides. Ferrosilicon is produced by reduction of silica or sand with coke in...

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Protonolysis

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to protonolysis. Derivatives of nitride (N3−), phosphides (P3−), and silicides (Si4−) hydrolyze to give ammonia, phosphine, and silane. Analogous reactions...

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List of inorganic compounds

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Magnesium antimonide – MgSb Magnesium bromide – MgBr2 Magnesium carbonate – MgCO3 Magnesium chloride – MgCl2 Magnesium citrate – C6H6MgO7 Magnesium oxide...

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Cubic crystal system

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eight atoms in the unit cell. Examples occur among the transition metal silicides and germanides, as well as a few other compounds such as gallium palladide...

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Pyrotechnic composition

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iron-silicon alloy, used in some mixtures, sometimes replacement of calcium silicide Manganese – used to control burn rates, e.g. in delay compositions Zinc...

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Deoxidization

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commonly used metallic deoxidizers: Ferrosilicon, ferromanganese, calcium silicide - used in steelmaking in production of carbon steels, stainless steels...

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Beryllium

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brick-red compound that reacts with water to give methane. No beryllium silicide has been identified. The halides BeX2 (X = F, Cl, Br, and I) have a linear...

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List of superconductors

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et al. (2008-12-03). "Iron-based superconductivity extended to the novel silicide LaFeSiH". Phys. Rev. B. 97 (10): 100504. arXiv:1701.05010. Bibcode:2018PhRvB...

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List of UN numbers 1401 to 1500

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percent of calcium carbide UN 1404 4.3 Calcium hydride UN 1405 4.3 Calcium silicide UN 1406 ? (UN No. no longer in use) Calcium-Silicon alloy (UN No. no longer...

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