DSD Acid CAS 81-11-8: Ultimate Buyer’s Guide (2024)
Contents
- Product Specifications & Comparative Analysis
- Industrial Applications & Functional Mechanisms
- Operational Protocols & Best Practices
- Case Study: DSD Acid in Textile Whitening Systems
- Enterprise Implementation Cases
- Technical Consultation & Procurement
1. Technical Specifications & Competitive Benchmarking
| Parameter | DSD Acid CAS 81-11-8 | Alternative Compounds |
|---|---|---|
| Chemical Name | 4,4′-Diaminostilbene-2,2′-disulfonic acid | Optical Brightener 28 (OB-1) |
| Molecular Formula | C14H14N2O6S2 | C28H20N2O6S2 |
| Purity Grade | ≥99.2% (Industrial Grade) | 98.5-99.0% |
| Thermal Stability | Stable up to 250°C | Decomposes at 200°C |
2. Multidisciplinary Applications
Core Functional Properties:
- UV absorption range: 340-370 nm
- Fluorescence emission: 420-450 nm
- Quantum yield: 0.82-0.87
Industry-Specific Implementations:
- Textile Manufacturing: Enhances whiteness index by 15-20 points under ISO 105-J02
- Paper Production: Reduces optical brightener dosage by 30% while maintaining 85+ brightness
- Detergent Formulations: Maintains 95% fluorescence efficiency after 12 wash cycles
3. Operational Guidelines
Recommended Implementation Parameters:
| Application | Concentration Range | Temperature | pH Tolerance |
|---|---|---|---|
| Textile Treatment | 0.15-0.25% owf | 40-50°C | 6.5-8.0 |
| Paper Coating | 0.8-1.2 g/m² | 60-70°C | 7.2-8.5 |
4. Technical Implementation Case
Project: High-Efficiency Whitening System for Recycled Fibers
- Challenge: Achieve ISO 2470-2 brightness ≥85 using 80% recycled pulp
- Solution: DSD Acid + nano-cellulose composite coating
- Result: 87.3 brightness with 22% cost reduction vs traditional OBAs
5. Enterprise Implementation Cases
Case 1: Global Detergent Manufacturer
- Client: Top 3 EU detergent producer
- Requirement: Cold-water active whitener with ≤5% photo-degradation
- Outcome: 93% retention after 15 wash cycles at 20°C
Case 2: Specialty Paper Mill
- Client: Japanese security paper producer
- Challenge: UV-responsive authentication features
- Solution: DSD Acid-based dual-response system
6. Technical Consultation & Ordering
Contact our chemical engineers for:
- Custom formulation development
- Batch-to-batch consistency reports
- Regulatory compliance documentation
Email: info@vivalr.com
Tel: (86) 15866781826
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