2,4,5-TES 2-(2,4,5-Trichlorophenoxy)ethyl sulfate, sodium salt 3570-61-4 Caswell No. 798 EPA Pesticide Chemical Code 398200 Ethanol, 2-(2,4,5-trichlorophenoxy)-, hydrogen sulfate, sodium salt Natrin Natrin herbicide Sodium 2,4,5-trichlorophenoxyethyl sulfate Sodium 2-(2,4,5-trichlorophenoxy)ethyl sulfate