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 with n-type conductivity and have potential applications in thermoelectric generators.[3]

Quick facts: Names, Identifiers, Properties, Structure[2],...
Magnesium silicide
Antifluorite_Structure.jpg
Magnesium_silicide.jpg
Names
Preferred IUPAC name
Magnesium silicide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.041.125 Edit this at Wikidata
EC Number
  • 245-254-5
UNII
UN number 2624
  • InChI=1S/2Mg.Si checkY
    Key: YTHCQFKNFVSQBC-UHFFFAOYSA-N checkY
  • InChI=1/2Mg.Si/rMg2Si/c1-3-2
    Key: YTHCQFKNFVSQBC-GEBTXNJDAA
  • [Mg]=[Si]=[Mg]
Properties
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]
reacts[1]
Structure[2]
Antifluorite (cubic), cF12
Fm3m, #225
a = 0.6351 nm
4
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
reacts with water to produce pyrophoric silane
GHS labelling:
GHS02: Flammable
Warning
H261
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).
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