Chemical name: 4-Methylbenzophenone CAS No.: 134-84-9 Molecular formula: C14H12O Molecular weight: 196 Appearance: White crystal solid Purity, %: 99min. Melting point, degree: 55 - 57 Volatiles, %: 0.5max. Ash, %: 0.1max. Photoinitiator MBP is a highly effective free radical type II photoinitiator. The absorption maximum is at 259nm. It is mainly used in the UV polymerization with tertiary amine, such as clear lacquer, plastic coatings, wood coatings, adhesives, offset printing ink, screen printing ink, flexo ink and electronic products.