Comprehensive Guide to Tinuvin 571 (CAS 23328-53-2)
Table of Contents
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol |
| CAS Number | 23328-53-2 |
| Molecular Formula | C30H29N3O |
| Appearance | Off-white to yellowish powder |
| Melting Point | 149-153°C |
| Solubility | Excellent in common organic solvents |
2. Key Applications & Industry Uses
Primary Functions
- UV Stabilization: Protects polymers from UV-induced degradation
- Thermal Stability: Maintains material integrity up to 300°C
Industry-Specific Uses
- Automotive: Headlight covers, interior trim components
- Construction: Window profiles, outdoor furniture coatings
- Packaging: UV-sensitive food container protection
3. Real-World Case Studies
Case Study 1: Automotive Component Manufacturer
| Client | EuroPlastics GmbH |
|---|---|
| Challenge | Yellowing of polycarbonate headlight covers within 12 months |
| Solution | 0.3% Tinuvin 571 additive in polymer matrix |
| Result | 5-year warranty against yellowing achieved |
Case Study 2: Industrial Coating Supplier
| Client | AsianCoatings Ltd |
|---|---|
| Challenge | Cracking in exterior metal coatings after 18 months |
| Solution | 1.2% Tinuvin 571 in alkyd resin formulation |
| Result | Extended coating lifespan by 400% |
4. Performance Comparison
| Parameter | Tinuvin 571 | Tinuvin 328 | Competitor X |
|---|---|---|---|
| UV Absorption Range | 290-400 nm | 280-380 nm | 300-390 nm |
| Thermal Stability | Excellent | Good | Moderate |
5. Technical Consultation & Ordering
For formulation guidance or bulk pricing:
- Email: info@vivalr.com
- Tel: (86) 15866781826
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