Chemical name: 2-Methyl-4-(methylthio)-2-morpholinopropiophenone CAS No.: 71868-10-5 Molecular formula: C15H21NO2S Molecular weight: 279 Appearance: White crystal powder Purity, %: ≥ 99 Melting point, °C: 73-76 Volatility, %: ≤ 0.25 Ash, %: ≤ 0.1 Transmittance (10g/100ml Toluene): 425nm ≥ 85% 500nm ≥ 95% 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.