2-(2,4,5-Trichlorophenoxy)propionic acid potassium salt 2818-16-8 93-72-1 Caswell No. 739L EINECS 220-572-7 EPA Pesticide Chemical Code 082503 Kurosal SL Potassium 2-(2,4,5-trichlorophenoxy)propionate Propanoic acid, 2-(2,4,5-trichlorophenoxy)-, potassium salt Propionic acid, 2-(2,4,5-trichlorophenoxy)-, potassium salt SILVEX, POTASSIUM SALT