Morpholine
1,4-Oxazinane, Diethyleneimide Oxide
- CAS
- 110-91-8
- EC
- 203-815-1
- Sectors
- Water & Wastewater Treatment, Rubber & Elastomers, Pharma & Healthcare
Morpholine (CAS 110-91-8) is a hygroscopic, colorless liquid amine-ether that carries a characteristic amine odor and combines basic and solvent behavior in one cyclic structure; it is used as a boiler water corrosion inhibitor, a rubber accelerator intermediate, and a pharmaceutical building block.
Typical Properties
| Molecular formula | C4H9NO |
|---|---|
| Molecular weight | 87.12 g/mol |
| Form | Liquid |
| Color | APHA: ≤15 |
| Odor | Characteristic amine-like odor |
| Melting point | -4.9 °C |
| Boiling point | 128.9 °C @ Press: 760 Torr |
| Density | 1.0007 g/cm³ @ Temp: 20 °C |
| Water solubility | MISCIBLE |
| Flash point | 96 °F |
| pH | 11.2 (H2O)(undiluted) |
| GHS signal word | Danger · Flammable, Corrosive, Acute toxicity, Irritant / harmful, Health hazard, Environmental hazard |
| HS code | 29349900 |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Morpholine
Applications
Used as a corrosion inhibitor in boiler water, an intermediate in rubber accelerators, and solvent for resins and dyes. In pharmaceuticals, it serves as a building block for APIs.
Safety & Risks
Corrosive and toxic in concentrated form. Use gloves, goggles, and ventilation during handling.
Packaging
Supplied in 200 kg steel drums or IBC tanks. Store cool, dry, and sealed tightly.