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Monoethanolamine (MEA)

Monoethanolamine (MEA) is a versatile chemical used in gas treating, detergents, and cosmetics manufacturing across East Africa.

Monoethanolamine (MEA) acts as a reactive amine that neutralizes acidic components and facilitates chemical transformations in various formulations.

Packaging

25 kg drums, 210 kg drums

Supply Region

Kenya, East Africa

Supplier

Zenco Systems Ltd

What is Monoethanolamine (MEA)?

Monoethanolamine (MEA) acts as a reactive amine that neutralizes acidic components and facilitates chemical transformations in various formulations. Its dual functional groups—amine and alcohol—give it unique reactivity, making it indispensable in industrial cleaning and disinfection processes as well as in chemical manufacturing. It is widely employed in scrubbing toxic gases, formulating detergents, and producing cosmetic ingredients across East Africa.

Industries such as gas processing, mining, water treatment, and cosmetics benefit from MEA’s ability to buffer pH, absorb acidic gases, and stabilize formulations. Zenco Systems Ltd supplies Monoethanolamine (MEA) throughout Kenya, Uganda, Tanzania, and neighbouring countries to ensure regional industries operate smoothly. As a chemical supplier deeply familiar with MEA’s role in these critical sectors, Zenco Systems Ltd offers tailored sourcing and delivery that align with industrial demands in East Africa.

Monoethanolamine (MEA): Detailed Product Overview

Chemically, Monoethanolamine (MEA) is identified by the formula C2H7NO and CAS number 141-43-5. It is a clear, colorless, hygroscopic liquid with a strong ammonia-like odor. The key to MEA’s usefulness lies in its molecular structure: it bears both a primary amine group (-NH2) and a hydroxyl (-OH) group. This combination allows MEA to act as a nucleophile and a weak base, enabling it to participate in a range of chemical reactions including neutralizations, condensations, and complex formation.

In gas treating, MEA’s amine group binds reversibly to acidic gases such as carbon dioxide (CO2) and hydrogen sulfide (H2S), allowing efficient scrubbing and regeneration cycles. Its water solubility and volatility characteristics facilitate gas-liquid interactions during absorption and desorption phases. Additionally, its hydroxyl group contributes to enhanced solubility and reactivity with other formulation ingredients, making MEA an excellent intermediate in detergent manufacturing where it helps improve cleaning power and foam stability.

Performance-wise, MEA is valued for its compatibility with aqueous and alcoholic media, moderate alkalinity (pH ~11 in solution), and corrosion-inhibiting behavior when formulated correctly. Because it is hygroscopic, it needs careful storage to prevent degradation or changes in concentration. MEA also acts as a pH regulator and counter-ion in cosmetics and personal care production, influencing the texture and stability of products. Across industrial uses in East Africa, from water treatment plants to mining chemical processes, MEA remains a cornerstone chemical due to its reliable activity and adaptability in complex chemical environments.

Applications and Uses of Monoethanolamine (MEA)

Gas Treating and Scrubbing

MEA is primarily used in natural gas and refinery gas treatment to remove acidic impurities like CO2 and H2S. Its amine group forms reversible bonds with these gases, allowing absorption from raw gas streams and easy release during regeneration. Typical MEA solutions used in this context range from 10-30% by weight. This process protects pipelines and equipment by reducing corrosion and enables compliance with environmental emission standards.

Detergent Manufacturing

In detergent formulations, MEA acts as a pH adjuster and surfactant precursor. It enhances the cleaning efficiency by increasing the alkalinity and improving emulsification of oils and greases. MEA-derived compounds also improve foam stability and texture in liquid and powder detergents widely used in household and industrial cleaning sectors.

Cosmetic Raw Materials

MEA serves as a neutralizing agent and emulsifier in cosmetics such as creams, lotions, and shampoos. It adjusts the pH to maintain product stability and skin compatibility. Additionally, its reaction with fatty acids produces MEA soaps, common conditioning agents that help to soften skin and hair.

Water Treatment

MEA is used to control pH and inhibit corrosion in water treatment facilities. It forms complexes with metal ions and acts as an alkalinity source, helping to prevent scale formation and microbial activity. Its role in maintaining balanced water chemistry is vital in cooling towers and boiler systems within East African industries.

Mining Chemical Processing

In mining operations, MEA is applied as a flotation agent and reagent to separate valuable minerals from ore. It facilitates the dispersion of metal sulfides and improves recovery rates by modifying the surface chemistry of mineral particles.

Corrosion Inhibition

MEA’s alkaline nature and ability to form protective films on metal surfaces make it an effective corrosion inhibitor in industrial formulations. It is incorporated into metal working fluids, cooling solutions, and coatings to extend equipment lifespan and reduce maintenance costs.

Looking for alternatives for a specific process? Browse the full Cleaning & Disinfection range or ask our technical team which grade fits your application.

Benefits and Advantages

Versatile Chemical Reactivity

MEA’s dual functional groups enable it to engage in a variety of chemical reactions, making it useful as both a reactant and intermediate. This versatility allows industries to use a single chemical for multiple purposes, reducing procurement complexity and inventory diversity.

Efficient Gas Absorption

The amine group in MEA rapidly binds acidic gases, offering effective scrubbing capacity. This property is economically beneficial, as it lowers energy consumption in gas treatment and reduces wear on equipment by minimizing corrosive gas exposure.

pH Control and Corrosion Prevention

MEA moderates pH levels within formulations and industrial systems, reducing the risk of acid-induced corrosion. By stabilizing alkalinity, it safeguards metals and infrastructure, which is critical for durable operations in water treatment and mining.

Regional Supply Reliability

Through Zenco Systems Ltd, industrial consumers in Kenya, Uganda, Tanzania, and neighboring countries gain consistent access to MEA. Reliable local supply mitigates risks related to import delays, ensuring uninterrupted production and industrial processes.

Packaging Information

Monoethanolamine (MEA) is supplied in robust, industrial-grade packaging suitable for safe transport and handling throughout East Africa. Standard packaging includes 25 kg and 210 kg drums, accommodating different scale operations from small laboratories to large manufacturing plants. For bulk users, tailored logistics solutions including palletized shipments and containerized exports are available. Zenco Systems Ltd ensures packaging meets regional transportation regulations and preservation requirements to maintain product integrity during transit across Kenya, Uganda, Tanzania, and nearby countries.

Standard formats: 25 kg drums, 210 kg drums

Storage and Handling

Store Monoethanolamine in tightly sealed containers to prevent moisture absorption and contamination. Ideal storage conditions are cool, dry, and well-ventilated areas away from heat sources or direct sunlight to limit degradation. MEA is hygroscopic and corrosive; therefore, compatible containers include carbon steel with appropriate coatings or polyethylene drums. Segregate MEA from acids and oxidizing agents to avoid hazardous reactions. Shelf life depends on storage conditions but typically ranges from 12 to 24 months. Handling requires use of personal protective equipment such as gloves, goggles, and chemical-resistant clothing to avoid skin and eye contact.

Safety Information

Monoethanolamine is corrosive and can cause severe skin burns and eye damage. Use chemical-resistant gloves, safety goggles, and protective clothing when handling it. Ensure good ventilation or use respiratory protection in confined spaces. In case of contact, rinse affected areas with plenty of water and seek medical attention immediately. Dispose of MEA and contaminated materials according to local hazardous waste regulations. Refer to the product's Safety Data Sheet (SDS) for detailed hazard classifications, handling instructions, and first-aid measures.

Technical Specifications

pHApproximately 11 (10% aqueous solution)
GradeConfirm with supplier
PurityConfirm with supplier
Density1.01 g/cm³ (approximate at 20°C)
FormulaC2H7NO
Packaging25 kg drums, 210 kg drums
AppearanceClear colorless liquid
CAS Number141-43-5
SolubilityCompletely miscible with water and alcohols
Chemical NameMonoethanolamine
Storage ConditionsStore in sealed containers, cool, dry, ventilated area

Applications

  • Gas treating and scrubbing
  • Detergent manufacturing
  • Cosmetic raw materials
  • Water treatment
  • Mining chemical processing
  • Corrosion inhibition

Technical Data Sheet (TDS)

pHApproximately 11 (10% aqueous solution)
GradeConfirm with supplier
PurityConfirm with supplier
Density1.01 g/cm³ (approximate at 20°C)
FormulaC2H7NO
Packaging25 kg drums, 210 kg drums
AppearanceClear colorless liquid
CAS Number141-43-5
SolubilityCompletely miscible with water and alcohols
Chemical NameMonoethanolamine
Storage ConditionsStore in sealed containers, cool, dry, ventilated area

Product Features

  • - Clear, colorless hygroscopic liquid
  • - Dual amine and alcohol functional groups
  • - Strong ammonia-like odor
  • - Water and alcohol soluble
  • - Moderate alkalinity (pH ~11)
  • - Excellent acidic gas absorbent

Industries Served

  • - Oil and gas processing
  • - Detergent and cleaning products
  • - Cosmetics and personal care
  • - Water treatment plants
  • - Mining and mineral processing
  • - Industrial manufacturing

Product Overview

Frequently Asked Questions About Monoethanolamine (MEA)

What is Monoethanolamine (MEA) primarily used for?

MEA is mainly employed in gas treating to remove acidic gases like CO2 and H2S, detergent production, cosmetics formulation, water treatment, mining chemical processing, and corrosion inhibition.

What concentration of MEA is typically used for gas scrubbing?

Gas treating applications typically use aqueous MEA solutions between 10% and 30% by weight, allowing effective absorption and regeneration cycles.

Is MEA supplied by Zenco Systems Ltd suitable for cosmetic applications?

Yes. However, confirm the grade and purity with Zenco Systems Ltd to ensure it meets the specifications required for cosmetic raw material use.

How should MEA be stored to maintain its quality?

Store MEA in tightly sealed containers in cool, dry, and ventilated conditions, away from heat and incompatible substances like acids or oxidizers to prevent degradation.

Does Zenco Systems Ltd supply Monoethanolamine (MEA) outside Kenya?

Yes, Zenco Systems Ltd supplies MEA throughout East Africa, including Uganda, Tanzania, Rwanda, Burundi, South Sudan, Ethiopia, Somalia, and the Democratic Republic of the Congo, with tailored logistics support.

What personal protective equipment (PPE) is recommended when handling MEA?

Use chemical-resistant gloves, safety goggles, and protective clothing. Ensure proper ventilation or respiratory protection in enclosed spaces due to MEA's corrosive nature and ammonia-like odor.

What packaging sizes are available for MEA?

MEA is available in 25 kg and 210 kg drums, suitable for a range of industrial users in East Africa.

What is the shelf life of Monoethanolamine under proper storage?

When stored correctly in sealed containers away from moisture and heat, MEA generally has a shelf life of 12 to 24 months.

Is MEA compatible with acids during storage or handling?

No. MEA should never be stored or mixed with acids as it can react exothermically, posing safety hazards.

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