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Potassium peroxide

Potassium peroxide
K2O2-structure.jpg
Names
IUPAC name
Potassium peroxide
Identifiers
17014-71-0 YesY
3D model (Jmol) Interactive image
ChemSpider 26237
ECHA InfoCard 100.037.339
EC Number 241-089-8
PubChem 28202
Properties
K2O2
Molar mass 110.196 g/mol
Appearance yellow amorphous solid
Melting point 490 °C (914 °F; 763 K)
reacts with water
Structure
Orthorombic
Cmca, oS16
Thermochemistry
113 J·mol−1·K−1
−496 kJ·mol−1
Hazards
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 3: Short exposure could cause serious temporary or residual injury. E.g., chlorine gas Reactivity code 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g., calcium Special hazard OX: Oxidizer. E.g., potassium perchlorateNFPA 704 four-colored diamond
Related compounds
Other anions
Potassium oxide
Potassium superoxide
Potassium chloride
Other cations
Lithium peroxide
Sodium peroxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
YesY  (what is YesYN ?)
Infobox references

Potassium peroxide is an inorganic compound with the molecular formula K2O2. It is formed as potassium reacts with oxygen in the air, along with potassium oxide (K2O) and potassium superoxide (KO2).

Potassium peroxide reacts with water to form potassium hydroxide and oxygen:


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Wikipedia

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