UV Absorber CAS 2440-22-4: Comprehensive User Guide
Table of Contents
1. Product Overview & Key Parameters
UV Absorber CAS 2440-22-4, chemically known as 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol, is a high-performance light stabilizer with the following specifications:
| Parameter | Specification |
|---|---|
| CAS Number | 2440-22-4 |
| Molecular Formula | C22H29N3O |
| Molecular Weight | 351.49 g/mol |
| Appearance | Pale yellow crystalline powder |
| Melting Point | 80-85°C |
| UV Absorption Range | 290-400 nm |
2. Applications & Industry Uses
Primary Industrial Applications:
- Polymer Stabilization: Extends service life of PP, PE, PVC by 3-5x
- Automotive Coatings: Maintains color stability under 2000+ hours QUV testing
- Cosmetic Formulations: Provides SPF boost without white cast effect
- Agricultural Films: Reduces UV degradation by 87% in field trials
3. Step-by-Step Usage Guidelines
Recommended Incorporation Methods:
- Plastic Masterbatch: Use 0.3-0.8% wt. in polymer matrix
- Coating Systems: Disperse 1-2% in final formulation pre-curing
- Solution Blending: Dissolve in THF at 60°C (max. 5% concentration)
4. Performance Comparison Table
| Property | CAS 2440-22-4 | Competitor A | Competitor B |
|---|---|---|---|
| Thermal Stability (°C) | 300 | 280 | 260 |
| Migration Resistance | Class 1 | Class 3 | Class 2 |
| FDA Compliance | 21 CFR 175.300 | N/A | Partial |
5. Verified Customer Case Studies
Case 1: Automotive OEM Supplier
Client: Top 3 German auto manufacturer
Challenge: Coating yellowing after 18 months outdoor exposure
Solution: 1.5% CAS 2440-22-4 in clearcoat formulation
Result: 72-month warranty extension, 22% reduction in warranty claims
Case 2: Medical Device Producer
Client: FDA-registered catheter manufacturer
Challenge: PVC tubing embrittlement during gamma sterilization
Solution: 0.6% additive in extrusion compound
Result: 400% improvement in flexural endurance (ASTM D790)
6. Technical Consultation & Quotation
Our technical team provides:
- Compatibility testing reports
- Regulatory compliance documentation
- Customized formulation support
Contact our UV stabilization experts:
Email: info@vivalr.com
Tel: (86) 15866781826
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