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Chemistry                                                                      

Chemical name: N-Hexadecyl-3, 5-di-tert-butyl-4-hydroxybenzoate

CAS No.: 67845-93-6                             

Molecular formula:C31H54O3

Molecular weight: 475                             

Specification                                                                    

Appearance: White powder 

Purity (HPLC), %: ≥99

Melting point,℃: 59-63

Ash, %: ≤0.1

Loss on Drying, %: ≤0.5

Application                                                                       

UV absorber UV2908 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.