2-(2,4-Dichlorophenoxy)propionic acid isooctyl ester 28631-35-8 Caswell No. 320C EINECS 249-110-2 EPA Pesticide Chemical Code 031463 Isooctyl 2-(2,4-dichlorophenoxy)propionate Propanoic acid, 2-(2,4-dichlorophenoxy)-, isooctyl ester Propionic acid, 2-(2,4-dichlorophenoxy)-, isooctyl ester