Displaying 2 results of Difenacoum Impurities Difenacoum is an anticoagulant rodenticide used to control rodents in different environments. However, during the production process, impurities may be formed, which can affect the potency, safety, and quality of the final product. These impurities may include related substances, by-products, or degradation products. The presence and levels of difenacoum impurities should be monitored and controlled to ensure product quality and safety.