Chemical name: Benzophenone CAS No.: 119-61-9 Molecular formula: C13H10O Molecular weight: 182.22 Appearance: White crystalline flake Purity, %: 99 min. Melting point, degree: 47 - 49 Miscibility: Insoluble in water Photoinitiator BP is a high purity, non-cleaving solid photoinitiator which is used to initiate the UV polymerization of chemically unsaturated prepolymers (e.g.acrylates) in combination with tertiary amine synergists. It also can be used as the intermediate to synthesize organic pigments, pharmaceuticals, spices and pesticides.