Displaying 1 results of Idobutal Impurities Idobutal is a medication used to treat anxiety and insomnia. However, like all pharmaceuticals, it may contain impurities or unwanted substances that can negatively impact its safety and efficacy. These impurities can be introduced during the manufacturing process or may result from degradation over time. Therefore, it is important to identify and quantify these impurities to ensure the safety and quality of the medication.