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33939-64-9
>> Product Introduce
Sodium Laureth Carboxylate (AEC-10NA)
CAS 33939-64-9
Sodium Laureth Carboxylate (CAS 33939-64-9) is a high-performance, gentle anionic surfactant belonging to the ether carboxylate family. This surfactant exhibits outstanding hard-water tolerance and low irritation to skin and eyes, making it especially suitable for sensitive-skin, baby care, and sulfate-free cleansing formulations. It generates abundant, stable foam even under weakly acidic conditions down to approximately pH 4, offering greater formulation flexibility compared to conventional anionic surfactants that require alkaline environments. Furthermore, it demonstrates good thickening response and compatibility with a wide range of co-surfactants, enabling formulators to create aesthetically pleasing products with desirable viscosity profiles. The material is readily biodegradable and sourced from renewable feedstocks, with certain grades carrying RSPO certification to support sustainable sourcing initiatives.
>> Main Uses
Sodium Laureth Carboxylate (AEC-10NA, CAS 33939-64-9) is a versatile anionic surfactant primarily used as a mild primary or co-surfactant in personal care products, including sulfate-free shampoos, baby shampoos, body washes, facial cleansers, shower gels, liquid hand soaps, micellar waters, and oral care formulations such as toothpaste and mouthwash, where it delivers effective cleansing, rich and stable foam, excellent hard-water tolerance, and low irritation to skin and eyes, making it especially suitable for sensitive-skin and baby care applications. Beyond personal care, it also serves as an efficient emulsifier, dispersant, and wetting agent in household detergents, textile processing (scouring, mercerizing, and dyeing), leather degreasing, and industrial cleaning, while its ready biodegradability and renewable sourcing further support its use in environmentally responsible formulations across diverse industries.
>> Technical Specifications
Items | Prescription |
Composition/Type | Anionic Surfactant |
Appearance 25℃ | Pale yellow to colorless transparent liquid |
| Concentration | 20%~50%/90%/≥95% |
Evaporated residue | 28 wt% |
Sodium chloride content | ≤0.5 wt% |
PH(1% aqueous solution) | 5.0-8.0 |
>> Package and Storage Conditions
Packaged in lBC tanks or blue plastic drums.
Store in a sealed container in a cool, dry place.
Keep away from fire sources and oxidants.
Avoid high temperatures and humid environments to prevent caking due tomoisture absorption.
