Pesticide Properties Database from the Agricultural Research Service of the USDA. This is a list of the pesticide properties most important for predicting the potentials of pesticides to move into ground and surface waters under a range of weather and soil conditions.
Pesticide related databases from the EPA/OPP includes the Registered and Cancelled Pesticide Products Database; OPP's Chemical Ingredients Database (Chemical Nomenclature, Current Products & Registrants); and OPP's Company Information Database.