Strontium oxide

Strontium oxide^[1]
Names
	IUPAC name Strontium oxide
	Other names Strontia
Identifiers
CAS Number	1314-11-0 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.013.837
EC Number	215-219-9;
PubChem CID	73975;
UNII	64RA22280P ;
CompTox Dashboard (EPA)	DTXSID00893853 ;
	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
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 (S⦵298)	57.2 J·mol−1·K−1
Std enthalpy of; formation (ΔfH⦵298)	-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). verify (what is ?) 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.

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

[hand-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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