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Strontium oxide information


Strontium oxide[1]
__ Sr2+     __ O2−
Names
IUPAC name
Strontium oxide
Other names
Strontia
Identifiers
CAS Number
  • 1314-11-0 checkY
3D model (JSmol)
  • Interactive image
ECHA InfoCard 100.013.837 Edit this at Wikidata
EC Number
  • 215-219-9
PubChem CID
  • 73975
UNII
  • 64RA22280P checkY
CompTox Dashboard (EPA)
  • DTXSID00893853 Edit this at Wikidata
InChI
  • InChI=1S/O.Sr/q-2;+2
SMILES
  • [O-2].[Sr+2]
Properties
Chemical formula
SrO
Molar mass 103.619 g/mol
Appearance colorless cubic crystals
Density 4.70 g/cm3
Melting point 2,531 °C (4,588 °F; 2,804 K)
Boiling point 3,200 °C (5,790 °F; 3,470 K) (decomposes)
Solubility in water
reacts, forms Sr(OH)2
Solubility miscible with potassium hydroxide
slightly soluble in alcohol
insoluble in acetone and ether
Magnetic susceptibility (χ)
−35.0·10−6 cm3/mol
Refractive index (nD)
1.810 [2]
Structure
Crystal structure
Halite (cubic), cF8
Space group
Fm3m, No. 225
Coordination geometry
Octahedral (Sr2+); octahedral (O2−)
Thermochemistry
Heat capacity (C)
44.3 J·mol−1·K−1
Std molar
entropy (S298)
57.2 J·mol−1·K−1
Std enthalpy of
formation fH298)
-592.0 kJ·mol−1
Hazards
Flash point Non-flammable
Related compounds
Other anions
Strontium sulfide
Other cations
Beryllium oxide
Magnesium oxide
Calcium oxide
Barium oxide
Related compounds
Strontium hydroxide
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

Strontium oxide or strontia, SrO, is formed when strontium reacts with oxygen. Burning strontium in air results in a mixture of strontium oxide and strontium nitride. It also forms from the decomposition of strontium carbonate SrCO3. It is a strongly basic oxide.

  1. ^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. pp. 4–87. ISBN 0-8493-0594-2.
  2. ^ Pradyot Patnaik. Handbook of Inorganic Chemicals. McGraw-Hill, 2002, ISBN 0-07-049439-8

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Strontium oxide

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Strontium nitride

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Strontium nitride, Sr3N2, is produced by burning strontium metal in air (resulting in a mixture with strontium oxide) or in nitrogen. Like other metal...

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Strontium carbonate

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used in the preparation of iridescent glass, luminous paint, strontium oxide, and strontium salts and in refining sugar and certain drugs. It is widely...

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Lume

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Alkaline earth metal

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Bismuth strontium calcium copper oxide (BSCCO, pronounced bisko), is a type of cuprate superconductor having the generalized chemical formula Bi2Sr2Can−1CunO2n+4+x...

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Strontium hydroxide

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Strontium hydroxide, Sr(OH)2, is a caustic alkali composed of one strontium ion and two hydroxide ions. It is synthesized by combining a strontium salt...

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Lanthanum strontium manganite

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Lanthanum strontium manganite (LSM or LSMO) is an oxide ceramic material with the general formula La1−xSrxMnO3, where x describes the doping level. It...

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Beryllium oxide

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Complex oxide

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Barium oxide

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Hot cathode

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strontium oxide and calcium oxide. Another standard formulation is barium oxide, calcium oxide, and aluminium oxide in a 5:3:2 ratio. Thorium oxide may...

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Nuclear reprocessing

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to the native metal before the heating step. Both Strontium and Strontium oxide form soluble Strontium hydroxide and hydrogen upon contact with water, which...

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composites. In 2013, multi-sheet layers of strontium titanate interleaved with single layers of strontium oxide produced a dielectric capable of operating...

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SRO

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