Benzophenone-1 is a powder polymer additive applicable to polyolefine, poyvinyl chlornamee, polystyrene etc as a stabilizer with the incorporation of 0.1% to0.5% (based on polymer weight) required. Benzophenone-1 is Effective sunscreen with absorption ranging from 270 to 350 nm. Can be employed to improve light stability of cosmetic products such as alcoholic fragrances, gels, colours, nail enamels and liquid detergents. Recommended use level: 0.05-0.5%. Liquid products Foaming products Gels. Technical Specification Appearance Light yellow crystal Assay 99.0% Melting point 143-146 Loss on drying 0.5%max Lovibond color 5.0 Heavy metal 5ppm Specific Extinction 630min at 290nm
