https://www.uvabsorber.com/products/24-dihydroxybenzophenone-cas-no-131-56-6.html 2 4 Dihydroxybenzophenone TinSorb™1610 UV Filter is a UV absorber that is effective in the 280-320 nm range. It is soluble in common organic solvents and readily compatible with many polymers.All Rights Reserved