| Property | Specification (Diethanolamine - DEA) |
| Appearance | Colorless to pale yellow liquid |
| Color | Colorless to pale yellow |
| Odor | Ammoniacal odor |
| Molecular Formula | C?H??NO? |
| Molecular Weight | 105.14 g/mol |
| Density (at 25°C) | 1.11 - 1.12 g/cm³ |
| Boiling Point | 270°C |
| Freezing Point | 27°C |
| Flash Point | 126°C (closed cup) |
| Solubility | Soluble in water, alcohols, and ethers |
