Oleylamine Ethoxylated: Uses, Properties, and Industrial Applications
What is oleylamine ethoxylate used for?
Oleylamine Ethoxylated is a versatile amine ethoxylate surfactant used across textile processing, agrochemical formulations, industrial cleaning, acid cleaning, metal treatment, coatings, inks, lubricants, and detergent blends. It acts as an emulsifier, wetting agent, dispersant, corrosion inhibitor, antistatic agent, leveling agent, and acid thickener depending on the application.
Oleylamine Ethoxylated is produced by reacting oleylamine, a C18 unsaturated fatty amine derived from oleic acid, with ethylene oxide. The resulting molecule has a long fatty amine tail and a hydrophilic polyethylene oxide chain. This structure gives it the ability to perform at oil-water interfaces, on solid surfaces, and in acidic environments where many other surfactants struggle.
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Chemical Identity and Properties:
|
Property |
Details |
|
Chemical Name |
Oleylamine, Ethoxylated |
|
CAS Number |
26635-93-8 |
|
Molecular Formula |
C22H45NO4 |
|
Molecular Weight |
664.3 g/mol |
|
Physical Form |
Viscous liquid |
|
Boiling Point |
360°C |
|
Melting Point |
-20°C |
|
Flash Point |
170°C |
|
Solubility |
Soluble in water and ethanol |
|
Surfactant Type |
Amine ethoxylate (cationic at low pH, non-ionic at neutral pH) |
Oleyl Amine Ethoxylate Other Name
What is the other name for oleyl amine ethoxylate?
Oleylamine Ethoxylated is known by several names depending on context and usage:
- Oleyl amine ethoxylate (most common industrial shorthand)
- Ethoxylated oleylamine
- POE oleylamine (polyoxyethylene oleylamine)
- Oleic acid amine ethoxylate
- CAS identifier: 26635-93-8
What is another name for ethoxylates in general?
Ethoxylates are also referred to as polyoxyethylene compounds, POE compounds, or PEG esters/amines, depending on the specific type. Amine ethoxylates like Oleylamine Ethoxylated are sometimes called polyoxyethylene amines or ethylene oxide adducts of amines.
Key Functional Properties
Oleylamine Ethoxylated performs multiple surfactant functions depending on the formulation environment:
|
Function |
How It Works |
|
Emulsification |
Sits at oil-water interface, stabilizing emulsions |
|
Wetting |
Reduces surface tension for better substrate penetration |
|
Dispersing |
Keeps solid particles evenly distributed in liquid systems |
|
Corrosion inhibition |
Adsorbs onto metal surfaces, forming a protective layer |
|
Acid thickening |
Thickens acid-based formulations at the right concentration |
|
Antistatic |
Reduces static charge buildup on fiber and surface |
|
Leveling |
Promotes even dye distribution in textile baths |
|
Detergency |
Helps remove oils, soils, and residues from surfaces |
Oleyl Amine Ethoxylate Uses: Industry by Industry
1. Textile Processing and Dyeing
For textile processing, Oleyl amine ethoxylate's use is focused on enhancing the way chemical compounds interact with the fiber surface:
- Wetting agent: It helps dye and water solutions get into the fiber more quickly and spread out
- The agent that levelizes: Promotes homogeneous dye absorption across the whole width of fabric, decreasing streaks and shading variations
- Emulsifier maintains the softening and lubricating agents for textiles in a stable form of emulsion to allow for an even application.
- Antistatic Agent It reduces the static charge of the fibers that are processed by preventing fiber tangling as well as problems with processing.
- Dispersant helps keep all the pigments and dyes equally distributed throughout the process baths.
2. Agrochemical Formulations
Agrochemicals contain Oleylamine Ethoxylated, which acts as an emulsifier, wetting agent, and adjuvant for dispersing:
- Emulsifies oil-soluble substances in emulsifiable concentration (EC) formulas
- Increases the spread and wetting of the spray solution on the leaf and soil surface
- Disperse active ingredients in wettable powder (WP) and suspension concentrate (SC) formulations
- is a processing aid as well as a compatible agent in pesticide and herbicide mixtures
3. Industrial Cleaning and Degreasers
In industrial cleaning, oleyl amine ethoxylate uses include:
- Wetting and penetration in metal degreasing and equipment cleaning formulations
- Soil removal support in industrial maintenance cleaners and institutional cleaning concentrates
- Compatibility agent in surfactant blends containing anionic and non-ionic co-surfactants
- Processing aid in industrial parts washing systems
4. Oleyl Amine Ethoxylate Uses in Toilet Cleaner and Acid Cleaning
Oleyl amine ethoxylate uses in toilet cleaner formulations are one of its most recognized household and institutional applications. Toilet bowl cleaners are typically acid-based products (using hydrochloric acid or organic acids) that need to:
- Cling to vertical surfaces inside the toilet bowl
- Foam and spread for effective coverage
- Stay active on the surface long enough to dissolve mineral deposits and stains
What is oleyl amine ethoxylate acid thickener?
At certain concentrations in acid formulations, Oleylamine Ethoxylated causes the acid solution to thicken significantly. This thickening effect happens because the ethoxylated amine molecules form structured aggregates in the presence of acid, increasing the viscosity of the formulation without adding conventional polymer thickeners.
This acid thickening property is highly valued because:
- A thicker cleaner clings to toilet bowl surfaces rather than running off immediately
- Extended surface contact time allows the acid to work on limescale, rust stains, and mineral deposits more effectively.
- The foam produced by the surfactant improves coverage inside the bowl.
- The corrosion inhibition function of the amine head group helps protect metal components (flush fittings, pipes) from the acid.
Common acid cleaning applications:
- Toilet bowl cleaners and descalers
- Bathroom and tile acid descalers
- Industrial acid cleaning concentrates for scale removal
- Tank and pipe descaling formulations
- Metal surface acid pickling aids
5. Metal Treatment and Corrosion Inhibition
Oleylamine Ethoxylated is efficient in protecting and cleaning the metal because the amine nitrogen within its structure is able to adsorb onto metallic surfaces:
- Creates a protective film that prevents corrosion in acidic and aqueous environments.
- Utilized in metal formulations for cleaning where protection against corrosion is necessary in addition to cleaning properties.
- Compatible with hydrochloric, phosphoric acid, and many other acids for treating metals
- Utilized in metal pickling aids, it is an inhibitor and wetting additive.
6. Paints, Coatings, Inks, and Pigments
In paints and coating systems, Oleylamine Ethoxylated contributes:
- Wetting of pigment particles during dispersion, reducing grinding time, and improving color strength
- Stability of pigment concentrates and pastes during storage
- Dispersion of both inorganic and organic pigments in waterborne and solventborne coating systems
- Compatibility in ink and pigment systems where amine ethoxylate chemistry is required for dispersion
7. Lubricants and Metalworking Fluids
In metalworking and lubricant applications:
- Acts as an emulsifier for oil-in-water metalworking fluid systems
- Provides corrosion inhibition support in water-miscible cutting fluids and grinding coolants
- Improves the wetting and lubrication of metal surfaces during machining operations
8. Surfactant Blends and Detergents
Oleylamine Ethoxylated is used in surfactant blend formulations where:
- Its amine character provides cationic performance at low pH (softening, antistatic)
- Its ethoxylate portion provides non-ionic compatibility at neutral to high pH.
- It can be blended with anionic, non-ionic, and amphoteric surfactants to create multi-functional cleaning and conditioning systems.
Usage Levels by Application
|
Application |
Typical Usage Level |
|
Toilet bowl and acid cleaners |
1% to 5% (for acid thickening and wetting) |
|
Textile wetting and leveling |
0.5% to 3% |
|
Agrochemical emulsifier |
1% to 5% |
|
Industrial cleaning concentrates |
1% to 8% |
|
Metal treatment and acid cleaning |
0.5% to 3% |
|
Paints and pigment dispersions |
0.5% to 3% |
|
Lubricant and metalworking fluids |
1% to 5% |
Frequently Asked Questions
1. What is oleylamine ethoxylate used for?
It is used as an emulsifier, wetting agent, acid thickener, dispersant, corrosion inhibitor, leveling agent, and antistatic agent across textiles, cleaning, agrochemicals, metal treatment, coatings, and lubricants.
2. What is the other name for oleyl amine ethoxylate?
It is also called ethoxylated oleylamine, POE oleylamine, polyoxyethylene oleylamine, and oleic acid amine ethoxylate. Its CAS number is 26635-93-8.
3. What is another name for ethoxylates?
Ethoxylates are also called polyoxyethylene (POE) compounds or PEG compounds. Amine ethoxylates like this one are also called polyoxyethylene amines.
4. What is oleyl amine ethoxylate acid thickener?
In acid formulations, it thickens the solution by forming structured molecular aggregates, making cleaners cling to surfaces longer for better stain and scale removal.
5. How is oleyl amine ethoxylate used in toilet cleaners?
It acts as an acid thickener, wetting agent, foam producer, and mild corrosion inhibitor in hydrochloric acid or organic acid-based toilet bowl cleaners and descalers.
6. What is the CAS number for Oleylamine Ethoxylated?
CAS 26635-93-8, molecular formula C22H45NO4, molecular weight 664.3 g/mol.
7. Is Oleylamine Ethoxylated compatible with anionic surfactants?
At neutral to high pH, it behaves as a non-ionic surfactant and is compatible with anionic surfactants. At low pH, its cationic character requires compatibility testing before blending with anionics.
Conclusion
Oleylamine Ethoxylated is an amine ethoxylate that is a functionally abundant surfactant which provides wetting, dispersion, emulsification, acid thickening, corrosion-inhibiting levels, and antistatic properties in a variety of industrial uses. Its ability to create thicker acid solutions makes it beneficial in toilet cleaners, descalers, and concentrated acid cleaners. The compatibility with ionic environments that range from cationic at low pH to non-ionic at low pH makes it among the most adaptable surfactants to be used in complex multi-sector formulations.
For bulk Oleylamine Ethoxylated with COA, MSDS, EO grade documentation, and export support, connect with Chemical Bull, a trusted Oleylamine Ethoxylated supplier serving textile chemical manufacturers, cleaning product formulators, agrochemical producers, and industrial buyers across India and global export markets.
