2-[3-(2H-Benzotriazol-2-yl)-4-hydroxyphenyl]ethyl methacrylate

2-[3-(2H-Benzotriazol-2-yl)-4-hydroxyphenyl]ethyl methacrylate (CAS: 96478-09-0) is a functional UV-absorbing monomer widely utilized in polymer modification, coatings technology, and advanced material systems. Featuring a benzotriazole-based UV stabilizing unit combined with a polymerizable methacrylate group, it enables both efficient ultraviolet protection and seamless incorporation into polymer backbones. Its primary applications are outlined below:

1. Polymer Chemistry & UV Stabilization

Reactive UV Stabilizer in Polymers


The benzotriazole moiety provides strong UV absorption capability, while the methacrylate functionality allows covalent integration into polymer matrices. This enables long-lasting UV protection without migration, making it highly suitable for high-performance plastics and resins.

Copolymerization Applications


It is widely used as a comonomer in acrylic, methacrylic, and other vinyl-based polymer systems to enhance photostability, reduce degradation, and extend service life under UV exposure.

2. Coatings, Adhesives & Surface Protection

High-Performance Coatings


This compound is incorporated into industrial coatings, automotive finishes, and protective layers to improve weather resistance, gloss retention, and color stability under prolonged sunlight exposure.

Adhesives & Sealants


In adhesive formulations, it enhances durability by preventing UV-induced degradation, ensuring long-term bonding performance in outdoor or high-radiation environments.

3. Advanced Materials & Functional Systems

Optical & Transparent Materials


Due to its efficient UV-screening properties and compatibility with transparent polymers, it is used in optical materials, films, and lenses to maintain clarity while providing UV protection.

Functional Polymer Design


It serves as a building block for designing smart or functional materials with enhanced resistance to photodegradation, supporting innovation in specialty polymers and engineered materials.

4. Research & Development Applications

Material Performance Optimization


Researchers utilize this compound to study UV stabilization mechanisms, polymer aging behavior, and structure–property relationships in functionalized polymer systems.

Formulation Development


It is commonly used in laboratory-scale development of advanced coatings, resins, and polymer blends, enabling optimization of durability and environmental resistance.

5. Handling & Storage

Storage Conditions


Store in tightly sealed containers under cool, dry, and light-protected conditions to maintain product stability and prevent premature polymerization.

Intended Use


This product is intended for research, development, and industrial material applications. It is not suitable for direct pharmaceutical or food use without proper regulatory approval.

Summary

The value of 2-[3-(2H-Benzotriazol-2-yl)-4-hydroxyphenyl]ethyl methacrylate lies in its dual functionality: a highly efficient UV-absorbing benzotriazole unit and a reactive methacrylate group. This combination enables durable, non-migrating UV stabilization within polymer systems, making it an essential component in advanced coatings, high-performance plastics, and functional material development.