CAS: 1313-59-3 Molecular Formula: Na2O Molecular Weight (g/mol): 61.979 MDL Number: MFCD00046201 InChI Key: KKCBUQHMOMHUOY-UHFFFAOYSA-N Synonym: sodium oxide,disodium oxide,disodium monoxide,disodium oxygen-2 anion,disodium oxidandiide,sodium oxide 25g,disodium oxygen 2-,2na.o PubChem CID: 73971 IUPAC Name: disodium;oxygen(2-) SMILES: [O-2].[Na+].[Na+]