Displaying 2 results of Butenafine Impurities Butenafine impurities are the unwanted and unintended substances that may be present in pharmaceutical preparations or other products containing butenafine. These impurities can result from various sources such as raw materials, manufacturing processes, or storage conditions. It is important to identify and control these impurities to ensure the safety and efficacy of the final product. Regulatory agencies have established guidelines and limits for the acceptable levels of impurities in pharmaceuticals.