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