Product name:UV Absorber benzophenone-3 Molecular Formula:C14H12O3 Structural formula: Molecular Weight:228.24 CAS No.:131-57-7 Appearance:white or Light yellow crystalline powder Loss on drying:0.2% max. Assay: 99% min. Heavy metals: 5 ppm max. Melting point: 62-65°C Burnt Residue: 0.1 max UV Absorbance Max at 288 nm: 630 min. Total Aerobi Count:100 CFU/g max Total Leaf Mold: 300 CFU/g max Applications:UV absorber benzophenone-3 can be used for paints and a variety of plastics, especially for pvc, polyester, crylic acid, resin, polystyrene and so on .Particularly, it is good cosmetics additive. Package: Packed in 25kgs fiber drum with double PE liners, or according to customers' request. Storage: Preserve in tight, light-resistent containers.