... treatment agent, dyes etc. morpholine,1-oxa-4-azacyclohexane,Tetrahydro-2H-1,diethylene oximide 1-Oxa-4-azacyclohexan1.IntroductionIt is colorless liquid with amine ... odor, specific weight is 0.9994,melting point is -4.9° ... (P-Co) ≤15 GB3143-82 Density(g/ml) 1.001-1.003 GB4472-84 Boiling range98°c(v) 126.8- ...