UV ABSORBER UV 120 CAS NO.4221-80-1

Chemical name: 2,4-di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate CAS No.: 4221-80-1 Molecular formular:C29H42O3 Molecular weight: 438.6 Molecular structure Specification Appearance: White powder Melting point,?: ? 193 Purity (GC), %: ? 99 Loss on Drying, %: ?0.3 Light transmittance,%, 450nm: ? 98 Application UV ABSORBER HOSORB UV 120 is substituted benzoate that absorbs ultraviolet radiation and through a reversible chemical rearrangement, dissipates the energy as heat. It is no color contamination, low volatility, high thermal stability, excellent resistance to washing and extraction. It exhibits a synergistic effect in combination with HALS. As light stabilizer and antioxidant, it can be used in the polymer. It is suitable for polyethylene, polypropylene, polystyrene, PU, TPU and other products, especially suitable for polypropylene films, coatings, adhesives and fiber. info at hhochem. com