Cyasorb UV-9 2-Hydroxy-4-methoxybenzophenone 000131-57-7 Cytec Light stabilizer / UV-absorber >> Benzophenone PERFORMANCE BENEFITS Minimal color contribution. Excellent light stability. Superb compatibility with polymers and other additives FDA STATUS:CYASORB UV-9 light stabilizer is sanctioned by Section 177.1010 of the Food Additives Regulations as a stabilizer in semirigid, rigid, and modified acrylic plastics intended for use in contact with food. UV absorber that provides excellent light stability. Minimal color contribution. Good compatibility with polymers and other additives.