2-(2′-hydroxy-3′,5′-dipentylphenyl)benzotriazole cas 21615-49-6

Chemical Name:2-(2′-Hydroxy-3′,5′-dipentylphenyl)benzotriazole
CAS No.: 21615-49-6
Molecular Formula:C22H29N3O
Molecular Weight: 351.49
Appearance:Light Yellow Powder

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Comprehensive Guide to 2-(2′-Hydroxy-3′,5′-Dipentylphenyl)benzotriazole (CAS 21615-49-6)

Table of Contents

1. Product Specifications & Comparative Analysis

Parameter UV-234 UV-327 UV-329
CAS Number 21615-49-6 3864-99-1 3147-75-9
Molecular Weight 451.64 g/mol 357.85 g/mol 323.43 g/mol
Melting Point 136-145°C 154-158°C 103-107°C
UV Absorption Range 300-400 nm 270-380 nm 290-390 nm

2. Industrial Applications & Functional Advantages

This high-performance benzotriazole derivative demonstrates exceptional stability in:

  • Polyolefin stabilization (HDPE/LDPE pipes)
  • Automotive coatings preservation
  • Photovoltaic module encapsulation
  • Engineering plastics protection

3. Implementation Case Studies

Case 1: Automotive Polymer Components

Solution: 0.3% UV-234 additive in polyamide 66 formulations increased weather resistance by 62% compared to conventional stabilizers.

Case 2: Agricultural Film Production

Implementation: Masterbatch containing 15% UV-234 extended film service life from 12 to 36 months in Middle Eastern climates.

4. Client Success Stories

European Polymer Manufacturer

Challenge: Premature yellowing in outdoor PVC products
Result: 0.5% UV-234 formulation reduced color shift ΔE<3 after 3000 hrs QUV testing

Asian Coatings Supplier

Challenge: Automotive clearcoat degradation
Solution: UV-234/Tinuvin 292 synergism achieved 98% gloss retention

5. Technical Consultation & Procurement Guidance

For material compatibility testing protocols or bulk pricing inquiries:
Email: info@vivalr.com
Tel: (86) 15866781826

Request formulation assistance:
[Chemical compatibility matrix available upon request]

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