Chemical name: 2-Hydroxy-4-Methoxy Benzophenone (Benzophenone-3) CAS No.：131-57-7                               Molecular formula：C14H12O3 Molecular weight：228.24                                                                                           Appearance: Pale yellow crystalline powder Purity, %: ≥99 Melting point，℃：63-66 Heavy metals: 5ppm max Ash, %: ≤0.1 Loss on Drying, %: ≤0.5 Specific Extinction: 285nm ≥ 630                   325nm ≥ 400                                                                  UV ABSORBER HOSORB-UV9 is a high-efficient UV radiation absorbing agent. It is effectively absorbs UV radiation of 290-400 nm wavelength. It almost does not absorb visible light. It is particularly used for light-colored transparent products. It is well stable to light and heat, not decomposable below 200°C. It is also used for paint and various plastic products, particular effective to PVC, PS, PU, acrylic resin, light-colored transparent furniture, as well as to cosmetics.  info at hhochem. com