Displaying 3 results of Pinoxaden Impurities Pinoxaden is a selective herbicide widely used in agriculture to control grass weeds. However, during the manufacturing process, impurities can be formed, which may impact the efficacy and safety of the final product. Pinoxaden impurities must be identified, characterized, and controlled to ensure high-quality and safe products. Common pinoxaden impurities include related compounds, starting materials, and by-products.