Hyponine E is widely used in water treatment processes due to its strong reducing properties. It effectively removes residual chlorine and chloramines from wastewater, making it suitable for discharge or reuse. It is also employed in the textile industry to quench oxidation reactions after bleaching, helping to preserve fabric quality. In industrial cooling systems, Hyponine E prevents oxidative corrosion by scavenging dissolved oxygen. Additionally, it is utilized in chemical synthesis as a selective reducing agent, particularly in processes requiring mild and controlled reduction conditions. Its efficiency, low toxicity, and rapid decomposition make it ideal for applications where environmental and safety concerns are critical.