Your Professional Surfactants Supplier
Since its establishment in 2010, Sinolook has been deeply involved in the energy and chemical sectors and has become one of the leading base oil and petrochemical traders in China and Asia. In the niche field of fine chemicals, we have a deep understanding of the characteristics and application scenarios of each type of product.
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![Diethanolamine]()
DiethanolamineDiethanolamine (DEA, CAS 111-42-2) is a secondary amine with formula (HOCH₂CH₂)₂NH — two hydroxyethyl groups on one nitrogen, combining amine and diol functionality. A viscous solid near room -
![Triethanolamine]()
TriethanolamineTriethanolamine (TEA, CAS 102-71-6) is a tertiary amine with formula N(CH₂CH₂OH)₃ — three hydroxyethyl groups on one nitrogen, making it the mildest ethanolamine (pKa 7.76, flash point 179 °C). A -
![Monoethanolamine]()
MonoethanolamineMonoethanolamine (MEA), CAS 141-43-5, is a bifunctional amino alcohol (C₂H₇NO) combining a primary amine (–NH₂) and a hydroxyl (–OH) group in one molecule. This dual reactivity makes MEA -
![N-Butylethanolamine]()
N-ButylethanolamineN-Butylethanolamine (NBEA, CAS 111-75-1) is a secondary alkanolamine with formula C₆H₁₅NO — butyl and hydroxyl groups on one nitrogen, giving moderate alkalinity and good hydrophilicity. A colorless -
![N-Butyldiethanolamine]()
N-ButyldiethanolamineN-Butyl Diethanolamine (BDEA, CAS 102-79-4) is a tertiary alkanolamine with formula C₈H₁₉NO₂ — one butyl group and two hydroxyl groups on one nitrogen, combining alkalinity, hydrophilicity, and -
![Dimethylethanolamine (DMEA)]()
Dimethylethanolamine (DMEA)Dimethylethanolamine (DMEA, CAS 108-01-0) is a tertiary alkanolamine with formula C₄H₁₁NO — a dimethylamino group and hydroxyl group on one molecule, giving strong alkalinity and full miscibility -
![Diethylethanolamine (DEAE)]()
Diethylethanolamine (DEAE)Diethylethanolamine (DEAE, CAS 100-37-8) is a sterically hindered tertiary alkanolamine with formula C₆H₁₅NO — two ethyl groups and a hydroxyl group on one nitrogen, enabling reversible CO₂ capture -
![Polyethylene Glycol Oleate]()
Polyethylene Glycol OleatePolyethylene Glycol Oleate (PEG Oleate) is a nonionic surfactant from esterification of polyethylene glycol with oleic acid (C18:1). Its PEG–oleate structure delivers tunable HLB (5–15), strong -
![Span 80]()
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![Cocamide DEA]()
Cocamide DEACocamide DEA (Cocamide Diethanolamine, CAS 68603-42-9) is a nonionic surfactant from coconut fatty acids and diethanolamine — amber viscous liquid, water-soluble, pH-stable. Foam booster, foam
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What is a Surfactants?
Surfactants are a primary component of cleaning detergents. The word surfactant means surface active agent. As the name implies, surfactants stir up activity on the surface you are cleaning to help trap dirt and remove it from the surface.
Types of Surfactants
Anionic Surfactants
These surfactants are widely used in detergents, soaps, and cleaning products. They exhibit excellent cleaning properties, even in hard water, but can be harsh on the skin in certain concentrations.
Cationic Surfactants
These surfactants are commonly found in fabric softeners, hair conditioners, and sanitizers. They provide excellent softening, conditioning, and antimicrobial properties. However, they may have limited compatibility with anionic surfactants.
Nonionic Surfactants
Nonionic surfactants are gentle and compatible with various other surfactants, making them suitable for products such as shampoos, bath products, and baby care items. They are particularly beneficial for individuals with sensitive skin.
Amphoteric Surfactants
These versatile surfactants are gentle on the skin and compatible with both anionic and cationic surfactants. They find application in personal care products, including mild cleansers, baby washes, and intimate hygiene products.
Specification
|
Parameter |
Specification |
Typical CoA Result |
|
Appearance |
Clear, colorless to pale yellow liquid |
Clear colorless liquid |
|
Assay (GC), wt% |
≥ 99.0% |
99.3 – 99.7% |
|
Molecular Weight |
161.24 g/mol |
161.24 g/mol |
|
Boiling Point |
270 – 275 °C |
272 °C |
|
Density (20 °C), g/cm³ |
0.988 – 0.994 g/cm³ |
0.991 g/cm³ |
|
Water Content, wt% |
≤ 0.3% |
0.10 – 0.18% |
|
Color (APHA / Hazen) |
≤ 30 |
≤ 15 |
|
Flash Point (closed cup) |
≥ 130 °C |
132 °C |
|
PH (10% aq., 25 °C) |
10.5 – 11.5 |
11.0 |
|
Amine Value |
340 – 360 mg KOH/g |
348 mg KOH/g |
|
Refractive Index (20 °C) |
1.460 – 1.466 |
1.462 |
Emulsification: Surfactants act as emulsifiers, helping to blend immiscible liquids, such as oil and water, into stable mixtures. This property is vital in industries like food, cosmetics, and pharmaceuticals.
Cleaning Efficiency: Surfactants improve the cleansing capability of detergents and cleaners by lowering the surface tension of water, allowing it to penetrate materials more effectively. By reducing the interfacial tension between dirt and surfaces, surfactants aid in the removal of oils, dirt, and stains.
Their ability to form micelles enables encapsulation of dirt particles, keeping them separated from the surface being cleaned.
Wetting Agent: Surfactants function as wetting agents that enhance the spreading ability of liquids. When a surfactant is added to a liquid, it lowers the liquid's contact angle on a solid surface, allowing it to disperse more uniformly. This property is invaluable in applications such as agricultural sprays where uniform coverage is necessary.
Foaming and Defoaming: Surfactants contribute to the formation and stabilization of foam in products like shampoos, hand soaps, and dishwashing liquids, enhancing their visual appeal and perceived cleansing action. Conversely, surfactants can also be used as defoaming agents to control excessive foam formation, particularly in industrial processes such as fermentation and wastewater treatment.
Surfactants work to disperse something in order to spread the material in an even and level place. The surface-active molecule of the surfactant must be partly hydrophilic (water-soluble) and partly lipophilic (soluble in lipids or oils).
Think back to the detergent example we discussed. When the detergent is exposed to water, it soaps up and spreads within the water while working with the lipids within the formula.
It concentrates at the interfaces between bodies or droplets of water and those of oil or lipids to act as an emulsifying agent or foaming agent. So, when the detergent hits the water, it begins to soap up to its interactions.
Other surfactants that are more lipophilic and less hydrophilic may be used as defoaming agents or as demulsifiers.
Application of Surfactants
Wetting
In the cosmetics industry, as an emulsifier is an indispensable component of skin care products such as cream, emulsion, face cleaning, and makeup removal.
Hard water resistance
Betaine surfactants showed very good stability to calcium and magnesium ions, that is, their ability to tolerate calcium and magnesium hard ions and the dispersion of calcium soap. In the process of use to prevent the precipitation of calcium soap, improve the use of the effect.
Viscosity and Bubbling
Surfactants have the effect of changing the solution system, increasing the viscosity and thickening or increasing the foam of the system. They have been widely used in some special cleaning and mining industries.
Descaling and washing
The removal of grease and dirt is a complex process, which is related to the wet and bubbling effects mentioned above.
FAQ
As one of the most professional surfactants manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy high-grade surfactants made in China here from our factory. For price consultation, contact us.
