Sodium oxide

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White powder. Sodium oxide is used as a glaze modifier.

Synonyms and Related Terms

sodium monoxide


  • Aqueous solutions are strongly caustic.
  • ThermoFisher: SDS

Physical and Chemical Properties

Reacts violently with water to form sodium hydroxide

Composition Na2O
CAS 12401-86-4
Density 2.27 g/ml
Molecular Weight mol. wt. = 61.98

Resources and Citations

  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971

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