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Monoethanolamine CAS 141-43-5

Molecular Formula: C2H7NO

Formula Weight: 61.08

ZSpharmac: Monoethanolamine Supplier

Product Name: Monoethanolamine
CAS No: 141-43-5
Purity: 99%

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Basic Info

Product Name:Monoethanolamine
Other Names:Aminoethanol
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Colorless Liquid
EINECS No.:Aminoethanol
Storage:Store at +15°C to +25°C.
Provide:Monoethanolamine MSDS;
Monoethanolamine COA

What is Monoethanolamine?

Monoethanolamine (MEA for short) is an organic compound with the chemical formula H2NCH2CH2OH. It is a colorless, viscous liquid with an ammonia odor that is usually clear at room temperature. Monoethanolamine is hygroscopic, meaning it absorbs and retains moisture from the environment.

Monoethanolamine Property

Melting point 10-11 °C(lit.)
Boiling point 170 °C(lit.)
density 1.012 g/mL at 25 °C(lit.)
vapor density 2.1 (vs air)
vapor pressure 0.2 mm Hg ( 20 °C)
refractive index n20/D 1.454(lit.)
Fp 200 °F
storage temp. Store at +15°C to +25°C.
solubility Soluble in benzene, ether, carbon tetrachloride.
pka9.5(at 25℃)
form Liquid
color APHA: ≤15
Specific Gravity1.012
Odorammoniacal odor
Relative polarity0.651
PH12.1 (100g/l, H2O, 20℃)
explosive limit3.4-27%(V)
Water Solubility miscible


Monoethanolamine Uses

1. Oil and Gas Industry
Acid Gas Removal: MEA is one of the most commonly used amines used to remove carbon dioxide (CO2) and hydrogen sulfide (H2S) from gas streams in natural gas and petroleum refineries. It captures these acidic gases through a chemical reaction and then recycles them through heating and regeneration.

2. Chemical intermediates
Synthetic resins and polymers: MEA is used as a starting material to participate in the synthesis of various resins, such as epoxy resin curing agents, polyurethane foam production, and as a synthetic precursor for other fine chemicals.
Drug synthesis: In the pharmaceutical industry, MEA may be used in the synthesis process of specific drugs, as a reagent for the introduction of amine groups or as a buffering agent.

3. Detergents and surfactants
Detergents and Cleaning Products: MEA’s amphiphilic nature (both hydrophilic and lipophilic) makes it an active ingredient in detergents, dishwashing liquids and other cleaning products, improving soil removal capabilities and acting as a foam stabilizer .
Emulsifiers and dispersants: In personal care products and cosmetics, MEA is used as an emulsifier to help mix oil and water, and in agriculture as an auxiliary ingredient in pesticide formulations to improve the dispersion and adhesion properties of pesticides.

4. Water treatment
pH adjustment and softening: MEA can be used in water treatment to adjust the pH value of water. It can also be used as a softener to reduce the hardness of water by complexing calcium and magnesium ions in hard water.

5. Textile and Leather Industry
Softener and finishing agent: In textile and leather processing, MEA can be used as a softener to improve the softness and feel of the fiber, and as an auxiliary for dyes to improve the uniformity and fastness of dyeing.

6. Agriculture
Pesticide formula: As an auxiliary, MEA can increase the retention time and permeability of pesticides on the leaves and improve the biological activity of pesticides.

Prominent Applications of Monoethanolamine in Cosmetics

pH regulator: MEA can be used to adjust the pH value (pH value) of cosmetics to help maintain the product within a suitable pH range, which is crucial for product stability and skin compatibility. The ideal pH for cosmetics is usually close to the skin’s natural pH (around 5.5), and MEA can help achieve this.

Emulsifier and stabilizer: As an amphoteric compound, MEA can function in both the water phase and the oil phase, helping to form a stable emulsification system and prevent the separation of water and oil, which is crucial for the manufacture of lotions, creams and other cosmetics important. It helps form fine, homogeneous dispersions and enhances the sensory qualities of the product.

Cleaning agent: MEA has surface-active properties and can reduce the surface tension of water, thereby improving the cleaning efficiency of cleaning products. In cleansing products such as facial cleansers and shower gels, MEA can help remove oil and dirt from the skin surface while maintaining the skin’s natural oil balance.

Moisturizer and softener: Although MEA itself is not a strong moisturizer, its use in formulas can indirectly promote skin moisturization. By combining with other moisturizing ingredients, MEA can help form a protective film, reduce water evaporation, keep the skin hydrated, and make the skin feel softer and smoother.

Auxiliary ingredients: In some cases, MEA can also be used as a catalyst or auxiliary reactant to promote the stability of other active ingredients in cosmetics or help them perform better. For example, in hair dyes, MEA can help open the cuticle of the hair. layer to allow the dye to penetrate more easily.


National Center for Biotechnology Information. “PubChem Compound Summary for CID 700, Monoethanolamine” PubChemhttps://pubchem.ncbi.nlm.nih.gov/compound/Monoethanolamine. Accessed 23 May, 2024.

As a company specializing in the production and supply of Monoethanolamine raw materials, we are committed to providing customers with high-quality products and preferential prices. We have rich experience and technology to ensure product quality and stable supply. No matter where you are, we can provide you with the monoethanolamine raw materials you need to support your production and research and development.

We always adhere to the principle of honest operation, strictly control product quality, and serve every customer with a customer-first attitude. Over the years, we have established good cooperative relationships with customers at home and abroad and won their trust and praise.

If you have needs or are interested in our products, please contact our service staff directly, we will wholeheartedly provide you with the best quality services and products. Looking forward to cooperating with you and developing together!

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Help China Chemicals to benefit the happiness of human life
Become the most trusted chemical supplier in the world
Striver – oriented, enrich employees, customer first, deep service, seek development
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Cosmetic raw materials
  • Products/Service:Cosmetic raw materials (flavors and fragrances,antioxidant products, moisturizing and hydrating, whitening agents, cosmetic additives)
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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