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    Related: Anionic Surfactant SLS AOS
    • Sodium Laureth Sulfate CAS 68585-34-2
    • Sodium Laureth Sulfate CAS 68585-34-2

    Sodium Laureth Sulfate CAS 68585-34-2

    Sodium Laureth Sulfate (SLES), CAS 68585-34-2, is an ethoxylated anionic surfactant supplied for personal-care and detergent applications. Confirm the required active matter and ethoxylation grade, then request a quotation with COA/TDS/SDS for bulk supply.

    • CAS: 68585-34-2
    • Synonyms: SLES, Sodium lauryl ether sulfate, AES, Sodium alkylethersulfate, Sodium polyoxyethylene alkyl ether sulfate
    • Einecs: 500-223-8
    • Grade: Cosmetic Grade / Detergent Grade (customizable)
    • Package: 170 kg HDPE drum / 1000 kg IBC / flexitank, or as required
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    Product Description

    Sodium Laureth Sulfate, CAS 68585-34-2, commonly abbreviated SLES, is an ethoxylated anionic surfactant made from fatty alcohol ethoxylates; the EC/EINECS number is 500-223-8.

    Synonyms: SLES; Sodium lauryl ether sulfate; AES; Sodium alkylethersulfate; Sodium polyoxyethylene alkyl ether sulfate.

    CAS: 68585-34-2.

    EC number: 500-223-8.

    It is typically supplied as a colorless to pale-yellow viscous paste or gel; the density at 20 °C is about 1.05–1.10 g/cm³.

    It is easily soluble in water and forms a clear or slightly opalescent solution; it is an anionic surfactant with high foam and strong detergency.

    It is commonly supplied as a 70% paste or 28% liquid; active matter, unsulfated matter and ethoxylation degree affect foam, viscosity and mildness.

    A 1% aqueous solution at 25 °C has a pH of about 6.5–9.5; the sodium sulfate content is usually not more than 1.5%.

    It provides detergency, wetting, emulsification and viscosity building in aqueous formulations.

    It is used as a high-foaming cleansing agent and emulsifier in shampoos, body wash, facial cleansers, hand soaps and dishwashing liquids.

    It is also used in home-care detergents, multi-purpose cleaners and industrial or institutional degreasers.

    It differs from sodium lauryl sulfate by the ethoxy groups between the fatty alkyl chain and sulfate group, which generally make SLES milder and more soluble in hard water.

    Confirm active matter, unsulfated matter, sodium sulfate, pH, color, 1,4-dioxane and the required ethoxylation degree for the target formulation.

    Store in tightly closed containers in a cool, dry, ventilated area away from strong oxidizers and acids; recommended storage temperature is about 10–35 °C. Use liquid-chemical handling controls and suitable PPE.

    Confirm the current product-specific specification.

    Confirm packaging with the requested quantity and destination requirements.

    Document requirements should be confirmed from the current specification, SDS, COA or other product-specific files.

    The page is an RFQ entry point and does not state stock, price, MOQ or fixed lead time.

    For an RFQ, state the intended use, required specification, quantity, packaging, destination and document needs.

    FAQ - Technical & Supply Chain

    • Q:

      What is Sodium Laureth Sulfate CAS 68585-34-2?

      A: Sodium Laureth Sulfate, or SLES, is an ethoxylated anionic surfactant made from fatty alcohol ethoxylates. CAS 68585-34-2 identifies the surfactant type, while commercial products are further defined by active matter and ethoxylation degree.
    • Q:

      What is Sodium Laureth Sulfate used for?

      A: SLES is used as a high-foaming cleansing agent and emulsifier in shampoos, body washes, facial cleansers, hand soaps, dishwashing liquids and industrial cleaners. It provides detergency, wetting and viscosity building in aqueous formulations.
    • Q:

      Why is the active matter and EO level important?

      A: SLES is commonly supplied as a 70% paste or 28% liquid, but active matter and ethoxylation degree affect foam, viscosity, mildness and formulation behavior. The correct grade should be selected for the target personal-care or detergent product.
    • Q:

      How is Sodium Laureth Sulfate different from sodium lauryl sulfate?

      A: Sodium Laureth Sulfate contains ethoxy groups between the fatty alkyl chain and sulfate group, while sodium lauryl sulfate is the non-ethoxylated sulfate. This ethoxylation generally makes SLES milder and more soluble in hard water.
    • Q:

      How should Sodium Laureth Sulfate be stored and handled?

      A: Store SLES in tightly closed containers in a cool, dry, ventilated area away from strong oxidizers and acids. Use appropriate liquid-chemical handling controls, containment and personal protective equipment during transfer and processing.

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