Table of Contents
- Product Overview: Fluorescent Brightener KS-N (CAS 5242-49-9)
- Technical Specifications & Competitive Comparison
- Industrial Applications & Functional Mechanisms
- Optimal Usage Guidelines & Dosage Recommendations
- Verified Case Studies in Textile Manufacturing
- Client Success Stories: Zhejiang Yongsheng Textile Co., Ltd. (2024 Implementation)
- Technical Consultation & Bulk Ordering Process
Fluorescent Brightener KS-N (CAS 5242-49-9): Key Product Profile
Chemical Profile
| Parameter | Specification |
|---|---|
| CAS Number | 5242-49-9 |
| Molecular Formula | C₃₆H₃₄N₁₂Na₂O₆S₂ |
| Appearance | Yellow-green crystalline powder |
| Solubility | ＞100g/L in water (20°C) |
| pH Stability | 4.0-11.0 |
| Fluorescence Intensity |
Performance Benchmarking Analysis
| Parameter | KS-N | OB-1 | CBS-127 |
|---|---|---|---|
| Whiteness Index | 158 | 142 | 135 |
| Thermal Stability | 220°C | 180°C | 190°C |
| Lightfastness | Grade 6-7 | Grade 5 | Grade 4-5 |
| Cost Efficiency | $28/kg | $35/kg | $31/kg |
Advanced Application Scenarios
Core Functional Mechanisms
KS-N operates through π-π* electron transitions with maximum absorption at 348nm and emission at 432nm, achieving 94% quantum yield. Its sulfonic acid groups enable superior fiber affinity compared to non-ionic brighteners.
Industry-Specific Implementations
| Industry | Dosage | Performance Benefit |
|---|---|---|
| Synthetic Fibers | 0.3-0.8% owf | ΔE whiteness improvement ≥15% |
| Paper Coating | 0.1-0.3% | ISO Brightness +8 points |
| Detergent Formulations | 0.05-0.15% | CIE Whiteness 12%↑ vs. STPP-based systems |
Technical Application Protocols
Textile Processing Parameters
| Process Stage | Temperature | pH Range | Exposure Time |
|---|---|---|---|
| Exhaustion Bath | 40-60°C | 6.5-7.5 | 20-40min |
| Padding Application | Room Temp | 5.0-6.0 | N/A |
Compatibility Matrix
| Chemical Type | Compatibility Rating |
|---|---|
| Anionic Surfactants | Excellent |
| Cationic Softeners | Moderate (require pH adjustment) |
| Oxidizing Agents | Stable below 50ppm Cl⁻ |
Technical Implementation Casebook
Case 1: Nylon 6,6 Whitening Optimization
Jiangsu Huaxing Textile achieved 23% reduction in optical blueing agents while maintaining CIE Whiteness ≥145 through KS-N integration (0.45% owf application).
Case 2: Recycled PET Fiber Enhancement
Guangdong EcoFibre Co. eliminated yellowing in 100% post-consumer PET fibers using KS-N at 60°C exhaustion bath, achieving commercial-grade whiteness at 85% cost of virgin material processing.
Verified Client Implementations
Zhejiang Yongsheng Textile Co., Ltd. (2024)
Annual consumption: 18 metric tons. Achieved 32% reduction in whitening cycle time while meeting EU EcoLabel parameters through KS-N’s thermal stability advantages.
Vietnam Star Detergent Ltd. (2023-Q2)
Formulated phosphate-free detergent with KS-N (0.12% concentration), achieving 92% consumer preference rate in blind tests against leading brands.
Technical Support & Order Coordination
Contact our optical additives specialists for formulation optimization support:
Email: info@vivalr.com
Tel: (86) 15866781826
Request SDS, COA, or sample formulations:
| Document Type | Response Time |
|---|---|
| Technical Datasheet | ＜2 business hours |
| Custom Formulation | 72-hour proposal |
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