Chemical name: 2-Methyl-4'-(methylthio)-2-morpholinopropiophenone CAS No.: 71868-10-5 Molecular formula: C15H21NO2S Molecular weight:279 Appearance: White crystal powder Purity, %: 99min. Melting point, degree: 73-76 Volatility, %: 0.25max. Ash, %: 0.1max. Transmittance (10g/100ml Toluene): 425nm 85%min. 500nm 95%min. Photoinitiator 907 is a high-efficiency photoinitiator which is mainly used in UV curing coating system and ink. It can keep coating system and ink from yellowing and prolong storage. It can be used� for the color ink system, paper, metal, and plastic glazing and electronic ink.� And it also can� be used as UV absorbent for cosmetics and other industries.