Chemistry:Calcium monosilicide

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Calcium monosilicide
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 234-587-1
UN number 1405
Properties
CaSi
Molar mass 68.164 g/mol[1]
Density 2.39 g/cm3[1]
Melting point 1,324 °C (2,415 °F; 1,597 K)[1]
Structure[2]
Orthorhombic, oS8,
Cmcm, No. 63
a = 0.4545 nm, b = 1.0728 nm, c = 0.389 nm
4
Hazards
Main hazards Flammable gas with water
GHS pictograms GHS02: Flammable
GHS Signal word Warning
H261
P231+232, P280, P370+378, P402+404, P501
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

Calcium monosilicide (CaSi) is an inorganic compound, a silicide of calcium. It can be prepared by reacting elemental calcium and silicon at temperatures above 1000 °C.[3] It is a Zintl phase, where silicon has oxidation state −2 and covalence 2.

References

  1. 1.0 1.1 1.2 Haynes, William M., ed (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 4.55. ISBN 1439855110. 
  2. Rieger, W; Parthé, E (1967). "Alkaline earth silicides, germanides and stannides with CrB structure type". Acta Crystallographica 22 (6): 919. doi:10.1107/S0365110X67001793. 
  3. Brauer, Georg (1975) Handbuch der Präparativen Anorganischen Chemie. Stuttgart. Vol. 1. p. 933. ISBN:3-432-02328-6.