Monoethanolamine (MEA)

Monoethanolamine (MEA) Specification

Other Names
2-Aminoethanol, Ethanolamine, MEA

Ph Level
~11.5 (1% solution)

Taste
Ammoniacal, unpleasant

Smell
Ammonia-like odor

Melting Point
10.3C

Molecular Weight
61.08 g/mol

Boiling point
170C

Structural Formula
HOCH2CH2NH2

HS Code
2922 11 00

Storage
Keep in tightly closed container, store in cool, dry, well-ventilated area

Shape
Liquid

Poisonous
Yes

Form
Clear, colorless to pale yellow liquid

Purity
99% Min

Refractive Rate
1.454

Molecular Formula
C2H7NO

Solubility
Miscible with water, alcohol, and ether

Density
1.018 Gram per cubic centimeter(g/cm3)

Classification
Alkanolamine

Chemical Name
Monoethanolamine

CAS No
141-43-5

EINECS No
205-483-3

Grade
Industrial Grade

Standard
Conforms to International Standard

Type
Organic Base

Usage
Industrial and commercial chemical applications

Main Material
Monoethanolamine

Application
Used in gas treatment, detergents, emulsifiers, chemical synthesis, surfactants

Appearance
Clear, colorless to pale yellow liquid

Hazard Class
8 (Corrosive substances)

Compatibility
Corrosive to copper, zinc, and their alloys

UN Number
2491

Decomposition Temperature
Above 200°C

Packing
200 kg HDPE drum / ISO tank

Auto-Ignition Temperature
410°C

Vapor Pressure
0.37 mmHg at 20°C

Flash Point
85°C (Closed cup)

Shelf Life
2 years if stored properly

Viscosity
24.2 mPa·s at 20°C

Monoethanolamine (MEA) Trade Information

Minimum Order Quantity
50 Liters

Payment Terms
Cash in Advance (CID)

Supply Ability
250 Liters Per Week

Delivery Time
2 Week

Sample Policy
Contact us for information regarding our sample policy

Main Export Market(s)
Asia

Main Domestic Market
All India

About Monoethanolamine (MEA)

Monoethanolamine (MEA) is a simple ethanolamine with one primary amine and one alcohol group. It is a colorless liquid with a mild ammonia odour. MEA is mainly used in sweetening natural gas and coal gas, and as soap or amides in heavy-duty detergents.

Versatile Industrial Chemical

Monoethanolamine is prized for its adaptability in a wide array of industries. Whether used in gas sweetening processes, detergent manufacturing, or as a component in surfactants and emulsifiers, MEA provides reliable reactivity and compatibility (except with copper, zinc, and their alloys). Its clear liquid form facilitates easy mixing and handling in industrial processes.

Proper Handling and Storage

MEA should always be packaged in approved containers, such as 200 kg HDPE drums or ISO tanks, clearly labeled with its hazard classification (UN 2491; Class 8). To retain product efficacy over its two-year shelf life, store MEA in cool, dry, well-ventilated areas, away from incompatible substances. Always use safety precautions due to its irritant and corrosive nature.

FAQ's of Monoethanolamine (MEA):

Q: How should Monoethanolamine (MEA) be stored to maximize shelf life?

A: MEA must be kept in tightly closed containers, such as HDPE drums or ISO tanks, in a cool, dry, and well-ventilated area. Proper storage ensures a shelf life of up to two years and prevents contamination or decomposition, especially when kept away from incompatible materials like copper, zinc, and their alloys.

Q: What is the main industrial usage of Monoethanolamine?

A: Monoethanolamine is primarily used in gas treatment applications (such as removing acid gases), as well as in making detergents, emulsifiers, surfactants, and chemical syntheses. Its high miscibility makes it a versatile choice in numerous industrial and commercial processes.

Q: When is MEA considered hazardous, and what precautions should be taken?

A: MEA is classified as a corrosive substance (Hazard Class 8, UN 2491) and should always be handled with appropriate protective gear, including gloves and eye protection. Adequate ventilation, emergency washing facilities, and careful handling are recommended to minimize exposure and avoid chemical burns or irritation.

Q: Where can MEA be applied during chemical processing or manufacturing?

A: MEA finds applications in gas treatment plants, industrial detergent and surfactant production lines, chemical synthesis plants, and as an emulsifying agent across various manufacturing operations. Its compatibility with water, alcohol, and ether enhances its usefulness in these sectors.

Q: What are the benefits of using Monoethanolamine in gas treatment?

A: MEA efficiently absorbs and removes acid gases, such as carbon dioxide and hydrogen sulfide, from process streams. This capability is crucial for refining and purification in the petrochemical and natural gas industries, offering enhanced environmental compliance and process reliability.

Q: How does the corrosive nature of MEA affect equipment selection?

A: MEA is corrosive to copper, zinc, and their alloys. Therefore, processing and storage equipment should be made from compatible materials such as certain plastics or stainless steel, rather than copper or zinc-containing metals, to prevent damage and maintain product purity.

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