Fluorescent Whitener DT (Fluorescent Brightener 135) CAS 1041-00-5: Comprehensive User Guide
Table of Contents
1. Product Overview & Technical Specifications
| Parameter | Fluorescent Whitener DT | Typical Competitors |
|---|---|---|
| CAS Number | 1041-00-5 | Varies by product |
| Molecular Formula | C40H38N12O8 | Different structures |
| Molecular Weight | 838.80 g/mol | 650-900 g/mol range |
| Appearance | Yellow-green crystalline powder | White/Yellow powders |
| Thermal Stability | Stable up to 300°C | 200-250°C typical |
2. Key Applications & Use Cases
Core Functional Areas:
- Textile Manufacturing: Polyester/cotton blend optimization (0.2-0.8% wt)
- Plastic Engineering: PVC/PP stabilization (0.05-0.15% load)
- Detergent Formulations: UV-resistant laundry boosters (0.1-0.3%)
- Paper Enhancement: High-grade printing paper treatment
3. Industry-Specific Implementation Guidelines
Textile Processing Protocol:
- Pre-disperse in warm water (40-50°C)
- Maintain pH 6-8 during application
- Optimize dosage: 0.5g/L for polyester
- Post-treatment rinse at 70°C
4. Comparative Analysis with Alternatives
| Feature | DT 135 | OB-1 | CBS-X |
|---|---|---|---|
| Lightfastness | Class 7-8 | Class 5-6 | Class 6 |
| pH Tolerance | 3-11 | 5-9 | 4-10 |
| Migration Resistance | Excellent | Good | Moderate |
5. Verified Customer Success Stories
Case Study 1: EcoTextile Solutions
Challenge: Yellowing in recycled PET fabrics
Solution: 0.6% DT integration in dye bath
Result: 85% yellowness reduction, CIELAB ΔE 1.2
Case Study 2: PolyPlast Innovations
Challenge: Discoloration in outdoor PVC
Solution: 0.1% DT masterbatch
Result: 18-month color retention under UV
6. Technical Consultation & Sample Requests
Contact our optical brightener specialists:
Email: info@vivalr.com
Phone: (86) 15866781826
Request formulation guidance or material safety data sheets (MSDS) through our technical portal.
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