Lithium peroxide
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| Lithium peroxide | |
|---|---|
| Image:Lithium peroxide.jpg | |
| General | |
| Other names | Dilithium peroxide, Lithium (I) peroxide |
| Molecular formula | Li2O2 |
| Molar mass | 45.881 g/mol |
| Appearance | fine odorless, white powder |
| CAS number | [12031-80-0] |
| Properties | |
| Density and phase | 2.14 g/cm3, solid (25°C) |
| Solubility in water | soluble |
| Melting point | 195°C |
| Boiling point | Decomposes to Li2O |
| Hazards | |
| EU classification | not listed |
| NFPA 704 |    |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Lithium peroxide (Li2O2) is a chemical compound.It is used in air purifiers such as those used in submarines to absorb carbon dioxide and release oxygen in the reaction 2Li2O2 + 2CO2 = 2Li2CO3 + O2
Lithium peroxide reacts with and should be isolated from water, steam, reducing agents, organic material, metallic oxides and salts.
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