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Sodium Lauryl Sulfate (SLS)

CAS NO. 151-21-3
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Product Name

Sodium Lauryl Sulfate (SLS)

(Synonyms: Sodium Dodecyl Sulfate; SDS; K12)

CAS NO. 151-21-3
Structural Formula Structure of Sodium Lauryl Sulfate SLS CAS 151-21-3
Appearance White Needles (Low Dust & Free-flowing)
Active Matter ≥ 90.0% (High Purity)
Petroleum Ether Soluble Substances ≤ 1.5% (Low Unsulfonated Matter)
Inorganic Salts (NaCl + Na2SO4) ≤ 3.5% (Total Salts)
pH Value (1% Sol.) 7.5 - 9.5
Moisture ≤ 5.0%
Key Applications

Versatile anionic surfactant for Personal Care & Industrial use:

  • Personal Care & Pharma:
    Foaming agent for Toothpaste, Shampoos, and Bath products. Used as an excipient (lubricant/wetting agent) in pharmaceutical tableting.

  • Polymer Industry (PVC):
    Critical emulsifier for PVC paste resin (Emulsion Polymerization), ensuring uniform particle size distribution.

  • Construction & Industrial:
    Air-entraining agent for gypsum/concrete boards and foaming agent for mine fire suppression.

Environmental Sustainability (ESG)

Royalchem's SLS is derived from natural fatty alcohols and is designed for minimal environmental impact.    Biodegradability: Classified as "Readily Biodegradable" per OECD 301B/D standards (>95% degradation in 28 days). It breaks down rapidly in both freshwater and marine environments, ensuring safety for aquatic ecosystems.

Packaging & Logistics

  • Standard: 25kg Kraft Paper Bag (PE lined) – Palletized for safe transport.

  • Bulk: 500kg Jumbo Bags available for industrial users.

  • Storage: Store in a cool, dry place. The needle form resists caking better than powder, but humidity control is recommended.

Need Low-Dust SLS Needles?

Protect your workers and improve flowability with Royalchem's Needle-Form SLS.
Perfect for toothpaste and high-end detergent manufacturing.

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