Disperse Red 343 (CAS 99035-78-6) Ultimate Buyer’s Guide
Table of Contents
Product Specifications & Technical Comparison
| Parameter | Disperse Red 343 | Conventional Disperse Dyes |
|---|---|---|
| CAS Number | 99035-78-6 | Varies |
| Molecular Formula | C₁₈H₁₄ClN₃O₅ | Typically C/H/N/O compounds |
| Light Fastness | 7-8 (ISO 105-B02) | 5-6 average |
| Wash Fastness | 4-5 (ISO 105-C06) | 3-4 average |
Industrial Applications & Performance
Primary Textile Uses:
- Polyester fabric dyeing (high-temperature method)
- Nylon/Lycra blend coloration
- Automotive textiles
- Sportswear production
Specialty Applications:
- Plastics coloration (PET resins)
- Inkjet printing inks
- Transfer printing processes
Technical Selection Guide
| Fiber Type | Recommended Concentration | Optimal pH Range |
|---|---|---|
| 100% Polyester | 0.5-2.5% owf | 4.5-5.5 |
| Polyester-Cotton Blends | 1.5-3.0% owf | 5.0-5.8 |
| Nylon 6.6 | 1.0-2.0% owf | 4.0-4.5 |
Real-World Application Cases
Case 1: Sportswear Manufacturer (Vietnam)
- Challenge: Achieving color consistency across multiple fabric lots
- Solution: Optimized dyeing profile with 1.8% Disperse Red 343
- Result: 15% reduction in dye usage with improved color yield
Case 2: Automotive Textiles (Germany)
- Challenge: Meeting OEM lightfastness requirements
- Solution: Special dispersion formulation with UV stabilizers
- Result: Exceeded 1,200hr Xenon arc test requirements
Request Custom Technical Solutions
Contact our dye specialists for formulation assistance:
- Email: info@vivalr.com
- Tel: (86) 15866781826
Request parameters to include:
- Substrate material
- Production method
- Performance requirements
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