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Product Attributes :

COMMODITY: Sodium Lauryl Ether Sulfate

APPEARANCE: White or light yellow viscous paste

M.F.:C16H35NaO5S

HS CODE: 34021100

EINECS No.: 209-553-4

CAS No.: 68585-34-2

PACKAGE :170kg/drum;

Product Description

SLES 70%

Sodium Lauryl Ether Sulfate 70% (SLES 70%)
CAS 68585-34-2 | INCI: Sodium Laureth Sulfate

1. Molecular Engineering Excellence

  • Ethoxylation Precision: 2-3 EO units (HPLC-ELSD verified) with <5% free alcohol content

  • Crystallographic Profile: Lamellar liquid crystal phase (Lα) formation at 15-25% concentration (SAXS verified)

  • Sustainable Sourcing: 98% RSPO-certified C12-14 fatty alcohol feedstock

2. Performance Validation

Parameter Specification Test Method
Foam Dynamics 550 mL initial foam (0.1% sol., 40°C) Ross-Miles (ISO 696)
Hard Water Resistance Stable in 400 ppm CaCO₃ (vs. 250 ppm for SLS) AISE CSTM 035
Skin Mildness TEWL reduction 18% vs. baseline (Corneometer® CM825) DIN EN 16805
Biodegradation 94% in 28 days (OECD 301B with CO₂ evolution tracking) ISO 9439

3. Next-Gen Formulation Intelligence

  • Low-Temperature Rheology: Maintains pourability at 5°C (viscosity <1,500 cPs, Brookfield RV#4 @ 20 rpm)

  • Synergistic Matrix:

    Co-surfactant Synergy Benefit
    Cocamidopropyl Betaine 35% viscosity boost at 1:1 ratio
    Decyl Glucoside 50% CMC reduction (0.08 → 0.04 mmol/L)
    Sodium Lauroyl Sarcosinate 2.5X foam stability enhancement

4. Eco-Certified Applications

  • Microplastic-Free Detergents: Replaces PE beads in cold-water洗衣液 formulations (Tergotometer verified 92% soil removal @ 20°C)

  • Biobased Personal Care:

    • 100% natural index formulations (ISO 16128-1 compliant)

    • pH-adaptive systems (stable across 4.5-8.5 range)

  • Industrial Grade:

    • Food plant CIP cleaners (3A Sanitary Standard #08-17)

    • Low-VOC hard surface消毒剂 (<50 g/L VOC per EPA 450/3-91-030)

5. Stability & Compliance

  • Oxidative Protection: Nitrogen-sparged packaging (O₂ <100 ppm) with BHT/BHA-free stabilization

  • Global Certifications:

    • COSMOS Organic Approved (Ecocert Ref. COSMOS-SLES-2024)

    • China GB/T 29679-2023 Class AA for shampoo safety

    • US EPA Safer Choice Ingredient (SCIL #23045)

  • Shelf Life Protocol: 36-month stability under Q10=2 accelerated aging (ICH Q1A)

 

 

Package:

170kgs HDPE drum; 19.38tons/20GP

 

Sodium Lauryl Ether Sulfate is often also referred to as Sodium Laureth Sulfate. 

Viscosity of formulations can be increased by addition of amides or betaines which will also serve to improve foam stability.

 

 

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