Sodium peroxide

Sodium compounds: sodium peroxide

The sodium in sodium peroxide formally is in the oxidation state 1.

Sodium peroxide

• Formula as often written: Na₂O₂
• Hill system formula: Na₂O₂
• CAS registry number: [1313-60-6]
• Formula weight: 77.978
• Class: oxide

Synonyms

• sodium peroxide
• sodium(I) peroxide

Physical properties

• Colour: pale yellow
• Appearance: solid
• Melting point: 675°C
• Boiling point: decomposes
• Density: 2805 kg m^-3

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Element analysis

Element percentages for the elements in sodium peroxide

Element	%
Na	58.96
O	41.04

Synthesis

Not available

Solid state structure

• Geometry of sodium:
• Prototypical structure:

Isotope pattern

What follows is the calculated isotope pattern for the Na₂O₂ unit with the most intense ion set to 100%.

Formula: Na₂O₂

mass  %
78 100.0 __________________________________________________
79   0.1 
80   0.4 

References

The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following.

• R.T. Sanderson in Chemical Periodicity, Reinhold, New York, USA, 1960.
• N.N. Greenwood and A. Earnshaw in Chemistry of the Elements, 2nd edition, Butterworth, UK, 1997.
• F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in Advanced Inorganic Chemistry, John Wiley & Sons, 1999.
• A.F. Trotman-Dickenson, (ed.) in Comprehensive Inorganic Chemistry, Pergamon, Oxford, UK, 1973.
• R.W.G. Wyckoff, in Crystal Structures, volume 1, Interscience, John Wiley & Sons, 1963.
• A.R.West in Basic solid state chemistry Chemistry, John Wiley & Sons, 1999.
• A.F. Wells in Structural inorganic chemistry, 4th edition, Oxford, UK, 1975.
• J.D.H. Donnay, (ed.) in Crystal data determinative tables, ACA monograph number 5, American Crystallographic Association, USA, 1963.
• D.R. Lide, (ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
• J.W. Mellor in A comprehensive treatise on inorganic and theoretical chemistry, volumes 1-16, Longmans, London, UK, 1922-1937.
• J.E. Macintyre (ed.) in Dictionary of inorganic compounds, volumes 1-3, Chapman & Hall, London, UK, 1992.

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Sodium	Sodium
Natrium	Natrium
Sodio	Sodio
Natrium	Sódio