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


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Product Specifications

UV ABSORBER UV 120CAS 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

Appearance: White powder
Melting point,℃: ≥ 193
Purity (GC), %: ≥ 99
Loss on Drying, %: ≤0.3
Light transmittance,%, 450nm: ≥ 98

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