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    HomeProductsDaily ChemicalsSodium Dodecyl Benzene Sulfonate CAS 25155-30-0
    • Sodium Dodecyl Benzene Sulfonate CAS 25155-30-0

    Sodium Dodecyl Benzene Sulfonate CAS 25155-30-0

    Sodium Dodecyl Benzene Sulfonate (CAS 25155-30-0) is a high-performance anionic surfactant functioning as the primary cleaning agent in laundry powders and liquid detergents. Chemically identified as SDBS or Sodium lauryl benzene sulfonate, this white to light yellow powder or flake acts to lower surface tension, emulsify oils, and create rich stable foam. As a biodegradable Linear alkylbenzene sulfonate salt, it is extensively utilized in household cleaning products, textile scouring auxiliaries, and industrial degreasers due to its exceptional decontamination and wetting properties. We ensure bulk supply capabilities for this material, providing access to competitive factory pricing and customized specifications to meet specific active matter content (e.g., 60%, 80%, 90%). Full technical documentation, including MSDS, TDS, COA, is available to support compliance and safety protocols.

    • CAS: 25155-30-0
    • Synonyms: SDBS, Sodium dodecylbenzenesulfonate, Dodecylbenzene sulfonic acid sodium salt, Sodium lauryl benzene sulfonate, Benzenesulfonic acid dodecyl- sodium salt
    • Einecs: 246-680-4
    • Molecular Formula: C18H29NaO3S
    • Grade: Industrial grade / detergent grade
    • Package: Commonly 25 kg/bag (kraft bag / PP woven bag with inner liner; OEM packing available)
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    Product Description

    SDBS is chemically stable and serves as the core “workhorse” surfactant in the detergent industry. It reduces surface tension significantly, allowing water to penetrate stains and emulsify oils.

    Main Characteristics:

    1. Detergency: Excellent ability to remove oil, grease, and particulate soil from fabrics and hard surfaces.
    2. Foaming: Generates rich, stable foam, which is desirable in hand-washing laundry powders and dishwashing liquids.
    3. Compatibility: Compatible with other anionic and non-ionic surfactants, as well as common builders (like STPP, Zeolite, Sodium Carbonate).
    4. Anti-redeposition: Helps prevent dirt from settling back onto the fabric during the wash cycle.
    1 Physicochemical Properties
    2 Applications
    3 Storage Conditions
    4 Safety Precautions

    Physicochemical Properties

    The following specifications cover the most common high-purity powder grades exported from China (LAS-60 to LAS-90).

    Test ItemSpecification (LAS-60)Specification (LAS-70)Specification (LAS-80)Specification (LAS-90)
    AppearanceWhite to light yellow powderWhite to light yellow powderWhite to light yellow powderWhite to light yellow powder
    Active Matter (SDBS)≥ 60.0%≥ 70.0%≥ 80.0%≥ 90.0%
    Moisture / Water≤ 5.0%≤ 5.0%≤ 3.0%≤ 3.0%
    pH Value (1% Solution)7.0 – 10.07.0 – 10.07.5 – 10.57.5 – 10.5
    Inorganic Salts (Na2SO4)≤ 40.0%≤ 30.0%≤ 20.0%≤ 10.0%
    Whiteness (WG)≥ 80≥ 80≥ 85≥ 85
    SolubilitySoluble in water (forms milky solution)Soluble in waterSoluble in waterSoluble in water
    Biodegradability> 90%> 90%> 90%> 90%

    Applications

    1. Household Detergents: The primary raw material for laundry washing powders (hand and machine wash) and dishwashing liquids.
    2. Industrial Cleaning: Used in heavy-duty cleaners for metal degreasing, machinery cleaning, and hard surface cleaning.
    3. Textile Industry: Acts as a leveling agent, scouring agent, and dyeing auxiliary to ensure uniform color and remove impurities from fibers.
    4. Construction Materials: Used as an Air Entraining Agent in concrete and mortar to improve freeze-thaw resistance and workability.
    5. Mining: Used as a flotation agent for ore separation.
    6. Agriculture: Acts as an emulsifier for pesticides and herbicides.

    Storage Conditions

    • Environment: Store in a cool, dry, and well-ventilated warehouse.
    • Moisture Control: Critical. SDBS powder is hygroscopic (absorbs moisture from air). Keep bags tightly sealed to prevent caking or clumping.
    • Stacking: Do not stack too high to avoid pressure caking of the bottom bags.
    • Incompatibility: Store separately from strong oxidizers and cationic surfactants.
    • Shelf Life: 24 months under proper storage conditions.

    Safety Precautions

    • Health Hazard: SDBS is an irritant.
      • Eyes: Causes serious eye irritation. Risk of damage if not rinsed immediately.
      • Skin: Causes skin irritation upon prolonged contact.
    • Inhalation: Dust may irritate the respiratory tract. Wear a dust mask (N95) when handling powder to avoid inhaling fine particles.
    • PPE: Wear safety goggles and rubber gloves.
    • First Aid:
      • Eye Contact: Rinse cautiously with water for at least 15 minutes. Remove contact lenses if present. Seek medical attention.
      • Skin Contact: Wash with plenty of soap and water.
    • Environment: Harmful to aquatic life in high concentrations; do not discharge directly into surface waters.

    FAQ - Technical & Supply Chain

    • Q:

      Chemically, how is Sodium Dodecyl Benzene Sulfonate CAS 25155-30-0 classified in the detergent industry?

      A: Sodium Dodecyl Benzene Sulfonate (CAS 25155-30-0) is classified as a linear alkylbenzene sulfonate (LAS), chemically known as SDBS, and is supplied as a highly effective anionic surfactant for removing dirt and grease.
    • Q:

      Is this surfactant biodegradable and suitable for household detergents?

      A: Yes, this product is typically applied in laundry detergents and dishwashing liquids because it offers strong cleaning power and good biodegradability, making it the most widely used surfactant in the daily chemical industry.
    Documents

    Documents and Product Support

    For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.

    • COA for batch-based quality reference
    • TDS for key physical and chemical information
    • SDS / MSDS for handling, storage, and safety reference
    • Packing information for sample, trial, and bulk orders
    • Technical communication based on application and specification requirements
    Quotation

    Information to Confirm Before Quotation

    Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.

    • Product name and CAS number
    • Application or intended end use
    • Required purity, grade, or specification
    • Sample quantity, trial order, or bulk demand
    • Preferred packing form or net weight
    • Destination country or port
    • Required documents or compliance expectations
    Storage & Handling

    Packaging, Storage, and Handling Notes

    Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.

    Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.

    Supply Support

    Sample, Bulk Order and Repeat Supply Support

    Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.

    For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.

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    Anionic Surfactant Cleaning Ingredient Detergent Surfactant Sulfonate Surfactant

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