Displaying 7 results of Spinosyn Impurities Spinosyn is an insecticide that is commonly used in agriculture to control pests. However, during the manufacturing process of spinosyn, impurities may be formed. These impurities are unwanted substances that can potentially have detrimental effects on the environment and human health. Therefore, it is important to monitor and control the levels of spinosyn impurities to ensure the safety and effectiveness of the insecticide.