uvabsorber-2 CAS 5232-99-5

UV Absorber-2, also known as Ethyl 2-cyano-3,3-diphenylacrylate, is a high-efficiency ultraviolet absorber widely used in polymers, coatings, plastics, and cosmetics. It offers excellent UV absorption in the 280–340 nm range, helping to prevent photo-degradation, discoloration, loss of mechanical strength, and surface cracking caused by long-term UV exposure.

As a stable, oil-soluble UV absorber, UV Absorber-2 (CAS 5232-99-5) provides outstanding compatibility with most organic materials, making it suitable for a wide range of industrial applications.

uvabsorber-2 is a white powder crystal that is soluble in methanol. uvabsorber-2 is a chemical with the molecular formula C18H15NO2 and molecular weight 277.32, which is a UV absorber.

Key Features & Benefits

1. Strong UV Absorption and Long-Lasting Protection

UV Absorber-2 provides high absorption efficiency within the UV-B range. It protects polymers from photo-oxidation, yellowing, and brittleness, significantly extending product lifespan under sunlight exposure.

2. Excellent Compatibility with Organic Polymers

Ethyl 2-cyano-3,3-diphenylacrylate mixes well with resins, oils, and plasticizers without affecting transparency or color, making it ideal for clear or light-colored formulations.

3. High Thermal Stability & Migration Resistance

UV Absorber-2 remains stable under processing temperatures and shows minimal migration, making it suitable for long-term outdoor applications like automotive coatings and plastic films.

4. Improves Weatherability

Enhances anti-aging performance when used alone or synergistically with HALS (hindered amine light stabilizers), providing comprehensive UV protection.