Cyasorb UV-531 Flake 2-Hydroxy-4-n-octoxybenzophenone 1843-05-6 Cytec Light stabilizer / UV-absorber >> Benzophenone Improved flow and handling Enhanced color stability during storage Lower metals content Equal in other performance properties to CYASORB UV-531 powder grade. CYASORB UV-531 light stabilizer is sanctioned by 21 CFR 178.2010 of the Food Additives Regulations for use as a stabilizer in olefin polymers complying with 21 CFR 177.1520 at concentrations not exceeding 0.5 percent by weight of the polymer. The finished articles are to be used in contact with nonacid aqueous prod-ucts, oil-in-water dairy emulsions, moist bakery products with the surface containing no free fat or oil, and dry solids with the surface containing no free fat or oil, provided the food products are processed other than by high-temperature heat sterilization over 212°F. CYASORB UV-531 light stabilizer is sanctioned by 21 CFR 178.3710 of the Food Additives Regulations for use as a stabilizer in petroleum wax at a level not to exceed 0.01 percent by weight of the wax. Equal in other performance properties to CYASORB UV-531 powder grade. Lower metals content. Improves flow and handling. Enhances color stability during storage.