Chemical name: 4-Benzoylbiphenyl CAS No.: 2128-93-0 Molecular formula:C19H14O Molecular weight: 258 Appearance: White crystalline powder Purity, %: 99min. Melting point, degree: 99 103 Volatiles, %: 0.5max. Ash, %: 0.1max. Photoinitiator PBZ is a highly efficient solid photoinitiator. Value of UV absorption is 289nm. It is used to initiate the UV polymerization of chemically unsaturated prepolymers in combination with tertiary amine synergists. It also can be used as the intermediate to synthesize organic pigments, pharmaceuticals, overprint varnishes, wood and plastic coatings etc.
