1,1,2,2-Tetrahydroperfluorooctyl acrylate 132229-97-1 17527-29-6 2-Propenoic acid, 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl ester 3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluorooctyl acrylate EINECS 241-527-8