Strontium peroxide
| Identifiers | |
|---|---|
3D model (JSmol) |
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| ECHA InfoCard | 100.013.841 |
| EC Number |
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PubChem CID |
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| 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.