Sodium oxide is a chemical compound with the formula Na2O. Its molar mass is 61.98 grams per mole. It is a white solid substance with a density of 2.27 grams per cubic centimeter. Its melting point is 2,070 degrees Fahrenheit, and its boiling point is 3,540 degrees Fahrenheit.
Sodium oxide can be obtained from the reactions of sodium hydroxide, sodium peroxide or sodium nitrite with pure sodium. It also results from the burning of sodium metal in air or from the decomposition of sodium carbonate at temperatures above 851 degrees Celsius. Sodium oxide is considered to be a corrosive substance, and it reacts violently with water to produce sodium hydroxide.