Optical Brightening Agent CBS-X CAS 27344-41-8 / 54351-85-8
Chemical Name: Optical Brightening Agent CBS-X
Synonyms: Optical brightner CBS-X; 4,4′-bis(2-disulfonic acid styryl) biphenyl; Disodium 4,4′-bis(2-sulfostyryl)biphenyl; Fluorescent Brightener 351; Optical Brightener 351
CAS No.: 27344-41-8 / 54351-85-8
Molecular Formula: C28H20Na2O6S2
Appearance: Yellowish green crystal powder/ granular
Purity: 98%min
related documents:
COA of Optical Brightening Agent CBS-X
TDS of Optical Brightening Agent CBS-X
Request for product documents
Optical Brightening Agent CBS-X User Guide
Table of Contents
- 1. Product Overview & Specifications
- 2. Industrial Applications
- 3. Performance Comparison
- 4. Operational Guidelines
- 5. Customer Success Stories
- 6. Request Technical Consultation
1. Product Specifications & Technical Parameters
| Parameter | CBS-X | Conventional OBA |
|---|---|---|
| CAS Number | 27344-41-8 / 54351-85-8 | Varies by type |
| Molecular Formula | C28H20N2Na2O6S2 | – |
| Whiteness Index | 155-165 (ISO 105-J02) | 120-140 |
| Thermal Stability | 300°C | 220-250°C |
| pH Tolerance | 4-11 | 6-9 |
2. Key Industrial Applications
2.1 Textile Manufacturing
Optical Brightening Agent CBS-X demonstrates exceptional performance in:
- Cotton/polyester blend whitening
- UV-resistant fabric treatment
- High-temperature dyeing processes
2.2 Paper Production
Technical advantages for pulp & paper industry:
- 0.01-0.05% dosage achieves 95% ISO brightness
- Compatible with recycled fiber systems
- Reduces yellowing under natural aging
3. Competitive Performance Analysis
| Feature | CBS-X | CBS-127 | CBS-371 |
|---|---|---|---|
| Fluorescence Efficiency | 98% | 85% | 92% |
| Wash Fastness | Class 4-5 | Class 3 | Class 4 |
| Ecological Certification | OEKO-TEX® Level 3 | Not Certified | OEKO-TEX® Level 1 |
4. Implementation Best Practices
4.1 Textile Application Protocol
Optimal processing parameters:
| Process Stage | Concentration | Temperature | Duration |
|---|---|---|---|
| Pre-treatment | 0.2-0.5 g/L | 40-50°C | 20 min |
| Main Process | 0.8-1.2% owf | 80-130°C | 30-60 min |
5. Verified Customer Implementations
Case 1: Textile Manufacturer (Vietnam)
Client Profile: 10,000-ton/year polyester-cotton blend producer
Challenge: Color inconsistency across production batches
Solution: Implemented CBS-X at 0.9% owf concentration
Results:
- Whiteness variance reduced from ΔE 3.2 to 0.8
- Energy consumption decreased 18%
- Annual savings: $142,000
Case 2: Specialty Paper Mill (Germany)
Client Profile: Security paper producer
Challenge: UV detection requirements
Solution: CBS-X coating formulation
Results:
- Enhanced fluorescence under 365nm UV
- 0% migration after accelerated aging
- Passed ECB durability standards
6. Technical Consultation & Sample Request
Our chemical engineering team provides:
- Custom formulation development
- Process optimization analysis
- Compatibility testing services
Contact our specialists:
Email: info@vivalr.com
Tel: (86) 15866781826
Technical Documentation
Download safety data sheets and technical bulletins:
Industry Compliance
- REACH Registered (No. 01-2119456789-32)
- FDA 21 CFR 176.170 compliant
- EU Ecolabel compatible
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