O,O-Diethyl Thiophosphate Potassium Salt-d10 is the labelled isotope of O,O-Diethyl Thiophosphate Potassium Salt(D445254) which is used in bentazon-containing herbicidal mixture composition. It is also used in the toxicity study of Sulfotepp, an impurity of diazinon, an organophosphate pesticide used as an insecticide.