Organic One Commercial Fire Ant Killer 5lb Natural, Diatomaceous Earth: 88.0%, Pyrethrins:0.2%, Butylcarbily:0.8% Use in Restaurants, Motels, Schools,Food and non-food areas, Home Pyrethrins are from Chrysanthemums. Butyl is made from Red Pepper plants and Sassafras EPA registered # 67197-2-74866 Passed by the Federal Insecticide, Fungicide and Rodenticide Act.