CSFC 1173 2-hydroxy-2-methyl-phenyl-propane-1-one China Scientific Fine Chemicals Photo Initiators ADHESIVE >> Radiation Curing (UV/EB) An excellent photoinitiator for UV-curable systems. It provides non-yellowing durability and longer shelf life for UV-curable systems 2-hydroxy-2-methyl-phenyl-propane-1-one. Used as photoinitiator for UV-curable systems. Provides non-yellowing durability and longer shelf life.