Differences Between Monoethanolamine (MEA) and Diethanolamine (DEA)
Chemical Structure:
- Monoethanolamine (MEA): Chemical formula C2H7NO, contains one ethanolamine functional group.
- Diethanolamine (DEA): Chemical formula C4H11NO2, contains two ethanolamine functional groups.
Properties:
- Monoethanolamine: Colorless viscous liquid with an ammonia odor, strongly alkaline, melting point 10.5°C, boiling point 170°C.
- Diethanolamine: Typically a colorless viscous liquid or crystalline solid, melting point 28°C, boiling point up to 268.8°C.
Applications:
- Monoethanolamine: Widely used as a gas absorbent, biocide, detergent, and chemical raw material.
- Diethanolamine: Plays an important role in industrial purification processes such as petroleum and natural gas treatment, and is also used in the pharmaceutical industry.
Click here to get the latest global Diethanolamine (DEA) market prices for 2026.
