Monoethanolamine , commonly abbreviated as MEA.
Chemical Information:
- Chemical Name: Monoethanolamine
- Molecular Formula: C2H7NO
- Molecular Weight: 61.08 g/mol
- CAS Number: 141-43-5
Physical Properties:
- Appearance: Colorless, transparent, viscous liquid with an ammonia odor at room temperature.
- Boiling Point: 170°C at atmospheric pressure
- Freezing Point: 10.5°C
- Hygroscopicity: Strong; completely soluble in water and ethanol.
Chemical Properties:Due to the presence of hydroxyl and amino functional groups in the molecular formula of ethanolamine, it exhibits properties of both amine and alcohol. It can react with acidic substances to form esters, amides, salts, and other compounds.
Quality Standards:
Ttems | Index |
Purity（wt%） | ≥99.5 |
Water（wt%） | ≤0.4 |
Platinum-cobalt color number | ≤15 |
Appearance | clear and transparent |
Applications:
Monoethanolamine (MEA) is a fundamental chemical raw material with diverse applications:
- In the pharmaceutical industry, it is used to synthesize L-cysteine hydrochloride, taurine, and various anti-infective drugs such as fluconazole, metformin, ketoconazole, antiparasitic drug imidazole, and cardiovascular drug pansolide.
- In the veterinary medicine industry, it is employed in the synthesis of quinethanol.
- Used for the synthesis of polyvinylpyrrolidone (PVP), ethyleneimine, polyethyleneimine.
- Used in the production of fine chemicals such as ethylenediamine.
- Employed as a fluorescent whitening agent in the textile industry.
- Used in the synthesis of dyes in the dyeing and chemical industry.
- Acts as a neutralizer and emulsifier in the rubber and carbon black industry.
- Utilized in the manufacturing of surfactants, rust inhibitors, cleaning agents, preservatives, and paints.
Packaging:Tank trucks, plastic drums, cold-rolled steel drums (net weight 210 kg/drum)
Precautions:Avoid collisions during transportation to prevent leakage. Store in a dry, well-ventilated area, and protect from moisture.
Other Applications:
MEA finds extensive applications in various industrial sectors, including but not limited to:
- Gas Treatment: Used as an absorbent for carbon dioxide (CO2) and hydrogen sulfide (H2S) in processes such as natural gas desulfurization and carbon dioxide capture.
- Agriculture: Employed in the preparation of pesticides and fertilizers to provide plants with the necessary nitrogen source.
- Surfactant Manufacturing: Serves as a raw material for surfactants, commonly found in cleaners, detergents, and emulsifiers.
- Pharmaceutical Preparation: Used as an intermediate in the pharmaceutical industry for the preparation of drugs and biologically active molecules.
- Coatings and Paint Manufacturing: Acts as a neutralizer and emulsifier in coatings and paints.
- Metal Corrosion Control: Utilized in the preparation of rust inhibitors and preservatives.
- Chemical Analysis: Used in acid-base neutralization reactions in chemical experiments.
