MEA (Monoethanolamine) solvent plays a pivotal role in the chemical industry. It is not only a key organic chemical raw material but also finds extensive applications across multiple industrial sectors.
Gneebio, as a professional chemical manufacturer and exporter, supplies Monoethanolamine (CAS 141-43-5) with stable quality, standardized specifications, and scalable production capacity-meeting the procurement expectations of global industrial buyers.
MEA Solvent Properties
- MEA (monoethanolamine), with the chemical formula C₂H₇NO and a molecular weight of approximately 61.08, exists as a colorless, transparent, viscous liquid at room temperature and exhibits hygroscopic properties.
- MEA (monoethanolamine) is a colorless, viscous liquid at room temperature with strong hygroscopic properties. It is readily soluble in water and alcohol-based solvents, with a melting point of 10.5°C and a boiling point of 170.5°C. It possesses a distinct odor characteristic of ammonia.
- Regarding solubility, MEA readily dissolves in water and alcohol-based solvents but is slightly soluble in benzene, diethyl ether, carbon tetrachloride, and chloroform. Additionally, MEA solvent possesses several key physical parameters: a melting point of approximately 10.5°C, a boiling point of approximately 170.5°C, a flash point of 93°C, and a relative density (compared to water) of 1.02.
mea solvent structure

| Property | Value / Description |
|---|---|
| Chemical Name | Monoethanolamine |
| Abbreviation | MEA |
| CAS Number | 141-43-5 |
| Molecular Formula | C₂H₇NO |
| Molecular Weight | 61.08 g/mol |
| Appearance | Colorless to light yellow viscous liquid |
| Odor | Ammonia-like smell |
| Purity (Industrial Grade) | 99% min |
| Melting Point | 10.3 °C |
| Boiling Point | 170–171 °C |
| Flash Point | 85 °C (closed cup) |
| Density (20 °C) | 1.017–1.020 g/cm³ |
| Viscosity (25 °C) | 24–28 mPa·s |
| pH (1% solution) | Alkaline (pH ≈ 11–12) |
| Solubility | Miscible with water, alcohols, glycols |
| Reactivity | Reacts with acids, CO₂, esters, aldehydes, and fatty acids |
| Stability | Stable under recommended storage conditions |
MEA (Monoethanolamine) solvent Uses
Industrial Applications
MEA (monoethanolamine) solvent serves as a corrosion inhibitor in boiler water treatment, automotive coolants, and cutting oils, protecting metals from corrosion. Simultaneously, it functions as a key ingredient in detergents and cosmetics, commonly employed as an emulsifier, thickener, and pH adjuster, bringing convenience to our daily lives.
Chemical Synthesis
MEA (monoethanolamine) solvent also excels in chemical synthesis. As an intermediate, monoethanolamine participates in the synthesis of resins, dyes, pharmaceuticals, and more, reacting with acids to form surfactants. It serves as a key intermediate for synthesizing resins, rubber, dyes, pharmaceuticals, and surfactants, providing essential raw materials for numerous industrial products. For instance, it can be used directly as a surfactant or react with various acids to form new surfactants, such as alkanolamides and triethanolamine dodecylbenzenesulfonate.
Other Applications
Beyond these uses, MEA (monoethanolamine) solvent serves numerous other purposes. It functions as a catalyst in the polyurethane industry, a purifying agent in gas purification, and a vital component in pharmaceutical and dyeing industries.
In polyurethane manufacturing, it functions as a catalyst and crosslinking agent to accelerate reactions;
In pharmaceuticals, it synthesizes medicines like antiseptics and antidiarrheals to safeguard public health;
In textile dyeing, MEA synthesizes high-grade dyes that impart color and luster to fabrics.
Monoethanolamine (MEA) Solvent Price
| Grade | Purity | Packaging | Indicative Price Range |
|---|---|---|---|
| Industrial Grade MEA | ≥99% | Drums / IBC | USD 750 – 950 / MT |
| Industrial Grade MEA | ≥99% | ISO Tank | USD 700 – 900 / MT |
| Pharmaceutical / High-Purity Grade | ≥99.5% | Drums / IBC | USD 900 – 1,200 / MT |
Why Choose Gneebio as Your Supplier?
As a leading manufacturer and exporter of fine chemicals, Henan Gneebio provides mono ethanol amine (CAS 141-43-5 ) that meets both industrial and laboratory-grade standards. We supply to customers across the chemical, pharmaceutical, and materials industries, ensuring consistent quality, reliable logistics, and professional technical support.
Our Advantages:
- ISO9001 / ISO14001 / GMP certification available
- Own manufacturing facility with full hazardous chemical production permits
- Support for COA / MSDS / TDS / SGS testing
- Compliant with EU REACH requirements
- Stable exports to Southeast Asia, South America, Middle East, and Africa markets
- Single batch supply ≥20-200 MT, annual contracts supported
Click here to get the latest mono ethanol amine (CAS 141-43-5 ) Supplier market prices for 2026.





