Polyquaternium-7 (M550) CAS 26590-05-6: Comprehensive Technical Guide
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | Standard Grade | Industrial Grade (Jiyesheng) | Cosmetic Grade (Zhuhai Jiayi) |
|---|---|---|---|
| CAS Number | 26590-05-6 | ||
| Molecular Formula | (C8H16ClN)n·(C3H5NO)m | ||
| Appearance | Colorless viscous liquid | Colorless transparent liquid | Viscous transparent solution |
| Solid Content (%) | 10±0.5 | 20±1 | 10±0.5 |
| Viscosity (cps @25°C) | 8,000-15,000 | 10,000-20,000 | 8,000-15,000 |
| Cationic Density | 8.8% | 8.8% | 8.8% |
2. Industrial & Cosmetic Applications
Core Functional Properties:
- Antistatic agent with cationic charge density of 8.8%
- Stable performance across pH 2-12
- Thermal stability up to 150°C
Industrial Applications:
- Wastewater Treatment: Primary flocculant for organic sludge dehydration (30-50% efficiency improvement)
- Paper Manufacturing: Retention aid improving fiber recovery by 15-25%
- Petroleum Processing: Demulsifier achieving 99.5% oil-water separation efficiency
Cosmetic Applications:
- Shampoo/Conditioner: Reduces combing force by 40-60% (ISO 11985 standard)
- Styling Products: Forms flexible polymer films with 8hr+ hold duration
- Skin Care: Enhances moisturization retention by 25-35% (corneometer measurements)
3. Operational Guidelines & Use Cases
Recommended Dosages:
| Application | Concentration Range | Optimal Temperature |
|---|---|---|
| Hair Care Formulations | 0.5-2.0% w/w | 25-40°C |
| Municipal Sludge Treatment | 50-200 ppm | 15-30°C |
| Paper Retention Systems | 0.1-0.5% dry weight | 30-50°C |
Compatibility Profile:
- Compatible with AES, MES, CAPB surfactants (pH 4-8)
- Stable in NaCl solutions up to 15% concentration
- Avoid strong oxidizers (H2O2 >5%)
4. Verified Client Implementations
Case 1: Zhuhai Jiayi Bio-Tech
- Application: Cosmetic-grade production for international OEM clients
- Results: 35% reduction in formulation viscosity variability
- Batch Consistency: ±2% viscosity tolerance maintained
Case 2: Wuhan Jiyesheng Chemical
- Application: Oilfield wastewater treatment systems
- Performance: 92% COD reduction in produced water
- Operational Cost: $0.12/m3 treatment cost achieved
Case 3: Guangdong Wengjiang Chemical
- Application: High-end hair styling products
- Consumer Testing: 78% preference for curl retention vs competitors
- Regulatory: Full compliance with EU Cosmetics Regulation 1223/2009
5. Technical Consultation & Procurement
For formulation assistance or bulk procurement:
| Contact Method | Details |
|---|---|
| Technical Support | Available M-F 08:00-17:00 (GMT+8) |
| info@vivalr.com | |
| Mobile | (86) 15866781826 |
| Lead Time | 5-7 working days for standard orders |



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