Quick Search
Soyamide DEA is a clear, yellow liquid soluble in water.
Soyamide DEA boosts foam and viscosity performance.
Soyamide DEA provides superior thickening and can modify a loose lacy foam into a dense, rich lather.
CAS Number: 68425-47-8
EINECS Number: 270-355-6
Synonyms: Amides,soya, N,N-bis(hydroxyethyl) 68425-47-8, Amides, soya, N,N-bis(hydroxyethyl), SOYAMIDE DEA, Soybean oil diethanolamide, Amide, Soja-, N,N-Bis(hydroxyethyl), SOYAMIDE;Soya diethanolamide, soya oil diethanolamide
Soyamide DEA is a 1:1 amide based on soybean oil and diethanolamine.
Soyamide DEA (also called Cocamide DEA when derived from coconut oil, or Soyamide Diethanolamine when derived from soybean oil) is a chemical compound that belongs to the group of nonionic surfactants.
Soyamide DEA is produced by reacting the fatty acids obtained from soybean oil with diethanolamine, which results in an amide with both lipophilic (oil-attracting) and hydrophilic (water-attracting) properties.
When used in combination with cocamide DEA, synergistic viscosity-building effects are observed.
Soyamide DEA is also an effective solubilizer for emollients and fragrances.
Soyamide DEA is synthetically derived from soybean oil by reacting it with diethanolamine (DEA).
This process is called amidation. Soybean oil is a natural emollient and conditioning agent.
Soyamide DEA is known for boosting foam and stabilizing emulsions.
Together they form the soya-based emulsifier, Soyamide DEA.
Soyamide DEA is a versatile ingredient that is highly effective and enhances the performance of cosmetics.
Soyamide DEA, also known as N,N-bis(2-hydroxyethyl) soyamide, is a chemical compound derived from soybean oil that has been reacted with diethanolamine (DEA) to produce a long-chain fatty amide.
Soyamide DEA is commonly used in personal care and cosmetic products as an emulsifier, surfactant, and conditioning agent, providing a smooth and moisturizing effect on the skin and hair.
Its chemical structure includes both hydrophilic (water-attracting) and lipophilic (oil-attracting) groups, which allow it to help mix oil and water-based ingredients in formulations.
In addition to cosmetics, Soyamide DEA can also appear in industrial applications such as lubricants, coatings, and cleaners, where it acts as a foam stabilizer or dispersing agent.
Despite its usefulness, it should be noted that when Soyamide DEA-based compounds react with certain preservatives or nitrosating agents, they may form nitrosamines, which are considered potentially carcinogenic, so careful formulation and regulatory compliance are important.
Soyamide DEA has emulsifying, foam boosting, and cleansing properties.
These properties make it quite popular in cosmetics and personal care products.
Soyamide DEA forms a rich lather that greatly enhances the cleansing experience in products like shampoos, body washes, and facial cleansers.
Soyamide DEA stabilizes emulsions and prevents oil and water components from separating.
This soy derived surfactant can break down dirt and oil present on the surface of the skin and hair.
Soyamide DEA makes the cleansing process easier and more effective.
Soyamide DEA also controls the viscosity of formulations.
Soyamide DEA allows them to be neither too thick nor too runny.
Because of this dual functionality, Soyamide DEA is widely used in cosmetic and personal care formulations as a thickening agent, foaming booster, and emulsifier.
Soyamide DEA helps stabilize products like shampoos, liquid soaps, and bath gels by increasing viscosity and creating a rich, stable foam.
In addition, it acts as a solubilizer, which means it can help dissolve otherwise poorly soluble ingredients into water-based formulations.
In industrial applications, Soyamide DEA is also used in cleaning agents, detergents, and lubricants, where it improves wetting properties and enhances cleaning efficiency.
Soyamide DEA can also reduce surface tension, allowing cleaning solutions to spread more evenly on surfaces.
However, despite its usefulness, Soyamide DEA has been the subject of health and safety concerns.
Prolonged or repeated exposure can cause skin and eye irritation, and under certain conditions, it may form nitrosamines, which are potentially carcinogenic substances.
For this reason, its use has been restricted or replaced by safer alternatives in some regions, and cosmetic manufacturers are encouraged to use it in low concentrations or substitute it with less hazardous ingredients.
Glycerides are conversion products of glycerin (esters), which are obtained through a reaction with fats (through so-called trans-esterification) or through direct esterification with one or more fatty acid(s) (mono-, di- or triglycerides).
Amides are generally conversion products of carbonic acids (carboxylic acids, mostly fatty acids) or other acids with nitrogen compounds (ammonia or alkyl and alkanol amines, amino acids etc).
Examples: "stearamides" are amides of the stearic acid, "cocamides" are amides of coconut fatty acids.
Soyamide DEA, or cocamide diethanolamine, is a diethanolamide made by reacting the mixture of fatty acids from coconut oils with diethanolamine.
Soyamide DEA is a viscous liquid and is used as a foaming agent in bath products like shampoos and hand soaps, and in cosmetics as an emulsifying agent.
See cocamide for the discussion of the lengths of carbon chains in the molecules in the mixture.
The chemical formula of individual components is CH3(CH2)nC(=O)N(CH2CH2OH)2, where n typically ranges from 8 to 18.
Uses Of Soyamide DEA:
Soyamide DEA has a wide range of applications across cosmetic, personal care, and industrial products, primarily due to its unique ability to act as both a surfactant and emulsifier, which allows it to stabilize mixtures of oil and water and improve the texture and feel of formulations.
In personal care products, it is commonly used in shampoos, conditioners, body washes, and lotions because it can provide conditioning and moisturizing effects, leaving hair soft and manageable while reducing static and frizz, and leaving the skin smooth and hydrated.
Its surfactant properties also make it useful in bubble baths and foaming cleansers, where it helps generate a rich, stable foam that enhances the sensory experience of the product.
Beyond cosmetics, Soyamide DEA is sometimes incorporated into industrial and household cleaning products as a foam stabilizer, emulsifier, or dispersing agent, helping to mix oils, waxes, and other hydrophobic ingredients into aqueous formulations.
Soyamide DEA can also be used in lubricants, coatings, and textile treatments to improve the spreadability and adhesion of the product while providing a conditioning or softening effect.
In addition, in some specialized applications, it is used in polishes and metalworking fluids, where it contributes to lubrication, anti-static properties, and the even distribution of ingredients across surfaces.
In the cosmetics and personal care industry, Soyamide DEA is valued for its dual ability to act as a surfactant and conditioning agent, making it an essential ingredient in products like hair conditioners, shampoos, and hair serums, where it not only improves foam formation and spreadability but also coats the hair shaft to reduce tangling, enhance shine, and provide a silky, smooth texture that improves manageability.
In skin care formulations, such as body lotions, creams, and facial cleansers, it functions as an emollient and emulsifier, helping to stabilize oil-in-water mixtures while leaving a non-greasy, moisturized feel on the skin, which is particularly desirable in products for dry or sensitive skin types.
Soyamide DEA is also widely used in bubble baths and liquid soaps, where its foaming properties create a rich, stable lather that enhances the sensory experience, making bathing more pleasant and luxurious, while its surfactant activity aids in gently removing dirt and oils without overly drying the skin.
In industrial and household cleaning products, it acts as a dispersing and stabilizing agent, helping to evenly distribute oils, waxes, and other hydrophobic substances in aqueous solutions, which is important in formulations like metal polishes, floor cleaners, and degreasers.
In addition, Soyamide DEA finds application in lubricants, coatings, and textile treatments, where it improves the spreadability and adherence of formulations and can impart a softening effect on fabrics or surfaces.
Soyamide DEA is also sometimes incorporated into automotive and metalworking fluids, where it contributes to anti-corrosion properties, lubrication, and foam control, ensuring that machinery and metal surfaces are protected and cleaned efficiently during industrial processes.
Soyamide DEAs versatility arises from its chemical structure, which combines long-chain fatty acids derived from soy oil with diethanolamine, giving it the ability to function simultaneously as a moisturizer, surfactant, emulsifier, and dispersing agent, making it a multifunctional ingredient in both cosmetic and industrial applications.
In addition to its well-known applications in hair care and skin care products, Soyamide DEA is increasingly being used in specialty cosmetic formulations, such as anti-frizz hair serums, intensive conditioning masks, and leave-in treatments, where it not only provides smoothness and shine but also helps to protect hair fibers from mechanical damage and environmental stressors such as heat, UV radiation, and pollution, thereby enhancing the overall health and appearance of hair over time.
Similarly, in skin care products for sensitive or dry skin, it is utilized as a mild emulsifier and humectant, which enables it to blend oils, botanical extracts, and active ingredients into stable, homogenous formulations while maintaining skin hydration without irritation, making it particularly suitable for products designed for infants, elderly individuals, or those with eczema-prone skin.
Beyond personal care, Soyamide DEA has emerging applications in industrial and technical fields, where it is incorporated into lubricants, coatings, textile softeners, and metalworking fluids to improve lubrication, spreadability, and adhesion of the product, reduce friction between surfaces, and help evenly distribute chemical additives across both natural and synthetic fibers or metal surfaces.
In household cleaning and polish formulations, it functions as a foam stabilizer, emulsifying agent, and dispersant, allowing waxes, oils, and hydrophobic compounds to mix uniformly in water-based solutions, which enhances cleaning efficiency and leaves polished surfaces smooth, glossy, and free of streaks.
Soyamide DEA is sometimes used as a corrosion inhibitor, anti-static agent, or protective coating additive, where its long fatty acid chains can create a thin hydrophobic layer on surfaces, protecting metals, plastics, or textiles from moisture and degradation.
Soyamide DEA is also found in formulations for agricultural sprays, polymer processing aids, and emulsion stabilizers, where it facilitates the even dispersion of active ingredients, enhances product stability, and improves handling and application properties.
Overall, the versatility of Soyamide DEA comes from its unique molecular structure, which combines hydrophilic diethanolamine groups with long-chain fatty acids derived from soy oil, giving it the ability to act as an emulsifier, surfactant, conditioning agent, dispersant, lubricant, foam stabilizer, and protective additive simultaneously, which explains its widespread use across personal care, household, industrial, and specialty chemical applications.
Safety Profile Of Soyamide DEA:
Soyamide DEA, while widely used and generally considered safe in properly formulated products, does carry certain potential hazards, especially if exposure occurs at high concentrations or under improper conditions.
Chemically, it is a diethanolamine-derived fatty amide, and diethanolamine compounds are known to have the potential to react with nitrosating agents to form nitrosamines, which are classified as potentially carcinogenic substances, meaning that chronic or long-term exposure under certain conditions could increase cancer risk.
In addition, Soyamide DEA can act as a skin and eye irritant if direct contact occurs in concentrated form, leading to redness, itching, or mild inflammation; repeated or prolonged skin contact may also cause sensitization or allergic reactions in sensitive individuals.
Inhalation of aerosols or dust containing Soyamide DEA, though uncommon in most consumer products, could potentially irritate the respiratory tract, causing coughing or discomfort, especially in occupational settings where powders or sprays are handled in bulk.
Accidental ingestion of significant quantities could lead to gastrointestinal irritation, nausea, or vomiting.
Furthermore, in environmental contexts, Soyamide DEA may be toxic to aquatic life at high concentrations, particularly if released in large volumes into water systems, as it can affect the balance of microbial populations and aquatic organisms.
The International Agency for Research on Cancer (IARC) lists coconut oil diethanolamine condensate (cocamide DEA) as an IARC Group 2B carcinogen, which identifies this chemical as possibly carcinogenic to humans.
The listing is based on a dermal animal bioassay.
In June 2012, the California Office of Environmental Health Hazard Assessment added cocamide DEA to the California Proposition 65 (1986) list of chemicals known to cause cancer.
Soyamide DEA has a high irritation potential.
