Ultraviolet Absorbent UV-1 (CAS 57834-33-0): Comprehensive Product Guide
Table of Contents
1. Product Overview & Technical Specifications
| Parameter | UV-1 Specification |
|---|---|
| Chemical Name | 2-Benzotriazol-2-yl-4,6-di-tert-butylphenol |
| CAS Number | 57834-33-0 |
| Molecular Formula | C20H24N3O |
| Molecular Weight | 323.43 g/mol |
| Appearance | Light yellow crystalline powder |
| UV Absorption Range | 270-380 nm (Peak at 340 nm) |
| Melting Point | 152-155°C |
| Thermal Stability | Up to 300°C |
2. Performance Comparison with Competing UV Absorbers
| Feature | UV-1 | UV-2 | UV-3 |
|---|---|---|---|
| Effective Range | 270-380nm | 250-360nm | 290-400nm |
| Thermal Resistance | 300°C | 280°C | 320°C |
| Migration Resistance | Excellent | Good | Moderate |
| Solubility | 0.5g/100ml H2O | 1.2g/100ml H2O | 0.3g/100ml H2O |
3. Industrial Applications & Functional Mechanisms
Polymer Protection: Extends service life of PE/PP/PVC by 40-60% through radical scavenging
Coatings Optimization: Maintains 95%+ color retention in automotive finishes after 2000hr QUV
Textile Treatment: Enhances UV resistance in outdoor fabrics (UPF 50+ certification)
4. Operational Guidelines & Safety Protocols
| Parameter | Requirement |
|---|---|
| Recommended Dosage | 0.2-1.5% (w/w) |
| Processing Temp Limit | <280°C (continuous) |
| Storage Conditions | 25°C, RH<60%, dark environment |
5. Verified Client Success Stories
Case 1: Automotive OEM achieved 18-month exterior durability in tropical climates
Case 2: Packaging manufacturer reduced material yellowing by 82% post-processing
Case 3: Textile producer obtained UV Protective Factor 50+ certification
6. Request Customized Solutions
Contact our technical team for formulation support:
Email: info@vivalr.com
Phone: (86) 15866781826
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