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Magnesium sulfide information


Magnesium sulfide
Magnesium sulfide crystal structure
Names
Other names
Niningerite
Identifiers
CAS Number
  • 12032-36-9 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 8305407 ☒N
ECHA InfoCard 100.031.597 Edit this at Wikidata
EC Number
  • 234-771-1
PubChem CID
  • 82824
UNII
  • TWD834A2KD checkY
CompTox Dashboard (EPA)
  • DTXSID2065179 Edit this at Wikidata
InChI
  • InChI=1S/Mg.S/q+2;-2 ☒N
    Key: QENHCSSJTJWZAL-UHFFFAOYSA-N ☒N
  • InChI=1/Mg.S/q+2;-2
    Key: QENHCSSJTJWZAL-UHFFFAOYAO
SMILES
  • [Mg+2].[S-2]
Properties
Chemical formula
MgS
Molar mass 56.38 g/mol
Appearance white to reddish brown powder
Density 2.84 g/cm3
Melting point 2,000 °C (3,630 °F; 2,270 K) approx.
Solubility in water
decomposes
Structure
Crystal structure
Halite (cubic), cF8
Space group
Fm3m, No. 225
Coordination geometry
cubic
Thermochemistry
Heat capacity (C)
45.6 J/mol K
Std molar
entropy (S298)
50.3 J/mol K
Std enthalpy of
formation fH298)
-347 kJ/mol
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Source of H2S
Related compounds
Other anions
Magnesium oxide
Other cations
  • Calcium sulfide
  • Strontium sulfide
  • Barium sulfide
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

Magnesium sulfide is an inorganic compound with the formula MgS. It is a white crystalline material but often is encountered in an impure form that is brown and non-crystalline powder. It is generated industrially in the production of metallic iron.

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Cubic crystal system

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MGS

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Glossary of chemical formulae

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