UV ABSORBER UV 2908 CAS NO. 67845-93-6

Chemical name: N-Hexadecyl-3, 5-di-tert-butyl-4-hydroxybenzoate CAS No.: 67845-93-6 Molecular formula:C31H54O3 Molecular weight: 475 Molecular structure Specification Appearance: White powder Purity (HPLC), %: ?99 Melting point,?: 59-63 Ash, %: ?0.1 Loss on Drying, %: ?0.5 Application UV ABSORBER HOSORB 2908 belongs to the class of hindered hydroxybenzoate light stabilizer. It is widely used in polyolefins such as PP, PE, polycarbonate and the systems containing flame retardants and thioesters etc. It can be used alone or in combination with benzophenone UV stabilizer or phosphite antioxidant, showing good synergistic effect. info at hhochem. com