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Óxido de potasio

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Óxido de potasio
Potassium oxide
IUPAC name Potassium oxide
Other names Potassium monoxide
Identifiers
CAS number 12136-45-7
UN number 2033
Properties
Molecular formula K2O
Molar mass 94.20 g/mol
Appearance pale yellow solid
Density 2.35 g/cm3
Melting point

>490 °C decomp.

Solubility in water Decomposes violently, forming KOH
Structure
Crystal structure Antifluorite (cubic), cF12
Space group Fm3m, No. 225
Coordination
geometry
Tetrahedral (K+); cubic (O2–)
Hazards
MSDS ICSC 0769
EU Index Not listed
Main hazards Corrosive, reacts violently with water
Flash point Non-flammable
Related compounds
Other anions Potassium sulfide
Other cations Lithium oxide
Sodium oxide
Rubidium oxide
Caesium oxide
Related potassium oxides Potassium peroxide
Potassium superoxide
Related compounds Potassium hydroxide
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

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