Displaying 17 results of Rocuronium Impurities Rocuronium is a muscle relaxant used in surgical procedures. However, during the manufacturing process, impurities may be present in the final product. These impurities can be potentially harmful and need to be monitored and controlled. Common impurities in Rocuronium include related substances, residual solvents, and heavy metals. Strict quality control measures are necessary to ensure the safety and efficacy of Rocuronium.