Diethanolamine
DEA, 2,2′-Iminodiethanol
- CAS
- 111-42-2
- EC
- 203-868-0
- Sectors
- Personal Care & Cosmetics, Oil, Gas & Energy, Lubricants & Metalworking
Diethanolamine (CAS 111-42-2) is a colorless, viscous amine that combines amine and alcohol functionalities, acts as a surfactant, emulsifier and pH regulator, and is used in detergents, gas sweetening, metalworking fluids and emulsifying agents for cosmetics.
Typical Properties
| Molecular formula | C4H11NO2 |
|---|---|
| Molecular weight | 105.14 g/mol |
| Form | Viscous Liquid or Low Melting Solid |
| Color | APHA: ≤15 |
| Odor | Mild ammoniacal; faint, fishy; characteristic. |
| Melting point | 28 °C |
| Boiling point | 268.8 °C @ Press: 760 Torr |
| Density | 1.0966 g/cm³ @ Temp: 20 °C |
| Water solubility | MISCIBLE |
| Flash point | 280 °F |
| pH | 11.0-12.0 (25°C, 1M in H2O) |
| GHS signal word | Danger · Corrosive, Irritant / harmful, Health hazard |
| HS code | 29221990 |
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.
Diethanolamine
Applications
Used in detergents, gas sweetening, metalworking fluids, and emulsifying agents in cosmetics. Also serves as an intermediate for morpholine and amide synthesis.
Safety & Risks
Corrosive and potentially carcinogenic with chronic exposure. Use in closed systems under strict industrial hygiene control.
Packaging
Supplied in 200 kg drums or IBC tanks. Store in dry, ventilated areas away from acids and oxidizers.