1.0 2026-04-05 15:35:50 UTC 2026-04-05 15:35:50 UTC Magnesium oxide (MgO) SmallMolecule Magnesium oxide (MgO) is an inorganic compound with an average molecular weight of 40.30 g/mol. Magnesium oxide (MgO) belongs to the alkaline earth metal oxides, a subclass of alkaline earth metal organides within the inorganic compounds. Within the broader chemical classification, it is categorized as a mixed metal/non-metal compound. This substance is found in or released from 11 recorded sources. In the building and construction sector, it is associated with ceilings, fencing, floors, ladders, and roofs, among three other sources. Additionally, it is found in electrical and electronic equipment, specifically within amplifiers, antennas, and adjustable resistors. MgO 40.304 39.97995632 O=[Mg] InChI=1S/Mg.O/q+2;-2 AXZKOIWUVFPNLO-UHFFFAOYSA-N Detected and Not Quantified average_mass 40.304 ChemAxon mono_mass 39.97995632 ChemAxon smiles O=[Mg] ChemAxon formula MgO ChemAxon inchi InChI=1S/Mg.O/q+2;-2 ChemAxon inchikey AXZKOIWUVFPNLO-UHFFFAOYSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f38296a1d60> 6850729