Strontium peroxide

Strontium peroxide
Identifiers
CAS Number	1314-18-7 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.013.841
EC Number	215-224-6;
PubChem CID	14807;
UNII	E0830P344P ;
CompTox Dashboard (EPA)	DTXSID80905100 ;
	InChI InChI=1S/O2.Sr/c1-2;/q-2;+2;
	SMILES [O-] [O-].[Sr+2];
Properties
Chemical formula	SrO2
Molar mass	119.619 g/mol
Appearance	white powder
Odor	odorless
Density	4.56 g/cm3 (anhydrous) 1.91 g/cm3 (octahydrate)
Melting point	215 °C (419 °F; 488 K) (decomposes)
Solubility in water	slightly soluble
Solubility	very soluble in alcohol, ammonium chloride ; insoluble in acetone
Structure
Crystal structure	Tetragonal
Space group	D174h, I4/mmm, tI6
Coordination geometry	6
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H312, H317, H331, H350
Precautionary statements	P220, P261, P280, P305+P351+P338
Safety data sheet (SDS)	External SDS
	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 peroxide is an inorganic compound with the formula Sr O₂ that exists in both anhydrous and octahydrate form, both of which are white solids. The anhydrous form adopts a structure similar to that of calcium carbide.

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