Strontium peroxide
| Identifiers | |
|---|---|
| 3D model (JSmol) | |
| ECHA InfoCard | 100.013.841 | 
| EC Number | 
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| PubChem CID | |
| UNII | |
| CompTox Dashboard (EPA) | |
| 
 | |
| 
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| Properties | |
| 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) | 
| slightly soluble | |
| Solubility | very soluble in alcohol, ammonium chloride insoluble in acetone | 
| Structure | |
| Tetragonal | |
| D174h, I4/mmm, tI6 | |
| 6 | |
| Hazards | |
| GHS labelling: | |
| Danger | |
| H302, H312, H317, H331, H350 | |
| P220, P261, P280, P305+P351+P338 | |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). 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.