Displaying 5 results of Propranolol Hcl Impurities Propranolol HCl is a beta-blocker medication used to treat high blood pressure, angina, and other cardiovascular conditions. However, it may contain impurities that can affect its efficacy and safety. These impurities could be related to the manufacturing process or degradation of the drug over time. Therefore, it is essential to monitor and control the levels of impurities in propranolol HCl to ensure its quality and purity.