Drometrizole

Drometrizole is a chemical compound belonging to the benzotriazole class. Its chemical name is 2-(2H-benzotriazol-2-yl)-4,6-di-tert-butylphenol. It is primarily used as a UV absorber in various materials to protect them from degradation caused by ultraviolet radiation. This protection helps to extend the lifespan and maintain the aesthetic properties of polymers, plastics, coatings, and textiles.

The mechanism of action for drometrizole involves absorbing harmful UV light and then dissipating the energy as heat, preventing it from breaking down chemical bonds within the material. This absorption occurs across a range of UV wavelengths. It is often incorporated into formulations where resistance to sunlight exposure is critical, such as in automotive parts, outdoor furniture, and clear coatings.

Drometrizole is known for its good photostability, meaning it does not easily degrade itself when exposed to UV light. This allows it to provide long-lasting protection. It is generally considered to have low volatility, which is beneficial for applications where it might be exposed to elevated temperatures. The effectiveness and suitability of drometrizole depend on the specific application and the type of material being protected.