Magnesium orthosilicate

Magnesium orthosilicate
Identifiers
CAS Number
  • 10034-94-3 checkY
3D model (JSmol)
  • Interactive image
ECHA InfoCard 100.030.089 Edit this at Wikidata
EC Number
  • 233-112-5
PubChem CID
  • 66225
UNII
  • 33JD0Q1Q6P checkY
CompTox Dashboard (EPA)
  • DTXSID20143180 Edit this at Wikidata
InChI
  • InChI=1S/2Mg.O4Si/c;;1-5(2,3)4/q2*+2;-4
    Key: HCWCAKKEBCNQJP-UHFFFAOYSA-N
  • [O-][Si]([O-])([O-])[O-].[Mg+2].[Mg+2]
Properties
Chemical formula
 Mg2SiO4
Molar mass 140.693 g/mol
Appearance colorless crystalline solid
Density 3.21 g/cm3
Melting point 1,890 °C (3,430 °F; 2,160 K)
Solubility in water
 insoluble
Structure
Crystal structure
 orthorhombic
Thermochemistry
Heat capacity (C)
 119 J/mol K
Std molar
entropy (S⦵298)
 95 J/mol K
Std enthalpy of
formation (ΔfH⦵298)
 -2172 kJ/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Chemical compound

Magnesium orthosilicate is a chemical compound with the formula Mg2SiO4.[1][2] It is the orthosilicate salt of magnesium. It exists as Forsterite in nature.

Production

Magnesium orthosilicate is made by the fusion of stoichiometric amounts of magnesium and silicon oxides at 1,900 °C (3,450 °F).

References

  1. ^ Magnesium orthosilicate at Chemister
  2. ^ "Magnesium orthosilicate at ChemSpider". Retrieved 15 August 2014.
  • v
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  • e
  • MgB2
  • MgBr2
  • MgCO3
  • MgC2O4
  • MgC6H6O7
  • C12H10Mg3O14
  • C4H8MgN2O4
  • MgC14H10O4
  • MgCl2
  • Mg(ClO3)2
  • Mg(ClO4)2
  • MgF2
  • MgH2
  • Mg(HCO3)2
  • Mg(HCO2)2
  • MgHPO4
  • Mg(H2PO4)2
  • MgI2
  • Mg(NO3)2
  • MgO
  • MgO2
  • Mg(OH)2
  • Mg3(PO4)2
  • MgPo
  • MgSe
  • MgS
  • MgSO3
  • MgSO4
  • MgU2O7
  • Mg2Al3
  • Mg2Si
  • Mg5Ga2
  • Mg2SiO4
  • Mg2Si3O8
  • Mg3N2
  • Mg2(CrO4)2
  • C
    24    H
    46    MgO
    4


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