Displaying 5 results of Chloroform Impurities Chloroform is a toxic and potentially cancer-causing substance commonly used in laboratories and medical settings. However, it can contain impurities that can further increase its health risks. These impurities can be introduced during the production process or through storage and handling. Common impurities include carbon tetrachloride, methylene chloride, and benzene. Regular testing and monitoring of chloroform purity is critical to ensure safe use.