CAS number : 12031-80-0
Molecular weight :45.88
Molecular formula/chemical symbol :Li2O2
Description :
Lithium peroxide is the inorganic compound with the formula Li2O2. This solid was deployed to remove CO2 from the atmosphere in the Apollo spacecraft.
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Lithium peroxide |
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Other names[hide] Dilithium peroxide, Lithium (I) peroxide |
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Identifiers |
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23787 |
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Jmol-3D images |
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Properties |
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Li2O2 |
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45.881 g/mol |
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Appearance |
fine, white powder |
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odorless |
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2.31 g/cm3 |
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195 °C |
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Decomposes to Li2O |
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Solubility in water |
soluble |
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insoluble in alcohol |
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Structure |
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hexagonal |
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Thermochemistry |
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Std enthalpy of |
-13.82 kJ/g |
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Hazards |
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not listed |
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USES :
It is used in air purifiers where weight is important e.g. spacecraft to
absorb carbon dioxide and release oxygen in the reaction:
2Li2O2 + 2CO2 → 2Li2CO3 + O2
It absorbs more CO2 than does the same weight of lithium
hydroxide and offers the bonus of releasing oxygen.
Keywords:Electronic chemicals
Report :
