Morpholine (CAS No. 110-91-8) is a chemical compound with molecular formula C4H9NO and molecular weight 87.12 g/mol. It is widely used as an industrial chemical and specialty reagent.
Also known as: MORPHOLINE; 1-Oxa-4-azacyclohexane; Diethylene oximide; Tetrahydro-1,4-oxazine; Diethylenimide oxide.
Physical & Chemical Properties
| Molecular Formula | C4H9NO |
| Molecular Weight | 87.12 g/mol |
| Appearance | liquid |
| Boiling Point | 160 °C (lit.) |
| Density | 0.973 g/mL at 25 °C (lit.) |
| Synonyms | MORPHOLINE; 1-Oxa-4-azacyclohexane; Diethylene oximide; Tetrahydro-1,4-oxazine; Diethylenimide oxide |
| Quality Standard | Melting Point: -2 °C (lit.); Vapor Pressure: <1 mm Hg ( 20 °C); Vapor Density: 2.6 (vs air); Refractive Index: n20/D 1.4478(lit.); Solubility: DMSO : 250 mg/mL (3328.45 mM; Need ultrasonic) |
Packaging Options
Liquid, we usually use galvanized iron drums or plastic drums.







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