Strontium peroxide
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| Identifiers | |
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3D model (Jmol)
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| ECHA InfoCard | 100.013.841 |
| EC Number | 215-224-6 |
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PubChem CID
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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 | |
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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 peroxide is an inorganic compound with the formula SrO2 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.
It is an oxidizing agent used for bleaching. It is used in some pyrotechnic compositions as an oxidizer and a vivid red pyrotechnic colorant. It can also be used as an antiseptic and in tracer munitions.
Strontium peroxide is produced by passing oxygen over heated strontium oxide. Upon heating in the absence of O2, it degrades to SrO and O2. It is more thermally labile than BaO2.
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