2,4,5-T acid esters 2,4,5-TP esters 2-(2,4,5-Trichlorophenoxy)propionic acid isooctyl ester 32534-95-5 Caswell No. 739I EINECS 251-085-8 EPA Pesticide Chemical Code 082578 Isooctyl 2-(2,4,5-trichlorophenoxy)propionate Propanoic acid, 2-(2,4,5-trichlorophenoxy)-, isooctyl ester Propanoic acid, 2-(2,4,5-trichlorophenoxy)-, isooctyl ester (9CI) Propionic acid, 2-(2,4,5-trichlorophenoxy)-, isooctyl ester Silvex isooctyl ester