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Date/Time:  5/16/21 13:06 GMT
 

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