Morpholine Other names: Diethylene imidoxide Tetrahydro-p-oxazine 1-Oxa-4-azacyclohexane Diethyleneimide oxide Formula: C4H9NO CAS: 110-91-8 Weight: 87,12 g/mol Boiling point: 128,3 °C Melting point: -4,9 °C Density: 1,0049 g/cm3