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The Formulation and Application of SLES in Dishwashing Liquid and Carwashing Liquid
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Release time:
2025-11-19
Sodium Laureth Sulfate (SLES) is an anionic surfactant widely used in the production of personal care products such as shampoo, soap, toothpaste, and body wash. It is also used in household cleaners and industrial detergents.
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CAS No: |
3088-31-119004-82-4/68891-38-3/1335-72-4168585-34-2 |
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Chemical name/IUPAC: |
2-(2-Dodecyloxy-ethoxy)Sodium Ethyl Sulfate (2-(2-2-Dodecyloxy-ethoxy)Sodium Ethyl Sulfate |
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European Existing Commercial Catalogue: |
221-416-0 |
SLES is currently one of the surfactants with the highest foaming capacity on the market.
The recommended concentration of SLES in dishwashing liquid typically ranges from 10% to 20%, while its concentration in shampoo does not exceed 10–17%.
SLES offers numerous advantages:
Excellent disinfecting effect
Outstanding wetting, emulsifying, and dispersing properties
Exceptional foaming ability
Good solubility and thickening effect
Broad compatibility with other ingredients
Minimal irritation to the skin and mucous membranes
High biodegradability
SLES is compatible with anionic, non-ionic, and amphoteric surfactants. Due to its anionic nature, it is incompatible with cationic surfactants. The product is soluble in water of any hardness, in cold water, and in essential oils. It remains stable under pH variations and when exposed to metal ions and oxidizing agents. The viscosity of SLES is significantly influenced by the addition of electrolytes, ethoxylates, amides, and amphoteric lauryl compounds. A wide viscosity range can be achieved using small amounts of these substances.
SLES plays a key role in the personal care and cleaning industries. Its wide range of applications and excellent performance make it a highly popular surfactant. Whether in skincare products or household cleaners, SLES exhibits good tolerability and continues to prove its effectiveness and safety to consumers worldwide.
Key words:
alcohol ether AEO-9 alcohol ether AEO-3 C10 alcohol (decanol) C8 alcohol (octanol) C14 alcohol C18 alcohol (stearyl alcohol)
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