DMPD 2HCl is widely used as a reagent in biochemical and pharmaceutical research, particularly in studies involving oxidative stress and antioxidant activity. It serves as a substrate in assays to measure the presence and activity of antioxidants, helping researchers evaluate the efficacy of compounds in scavenging free radicals. This chemical is also employed in the development of diagnostic kits for assessing oxidative damage in biological samples, such as blood or tissue. Additionally, DMPD 2HCl finds application in the food industry, where it is used to test the antioxidant capacity of food products, ensuring their quality and shelf life. Its stability and sensitivity make it a valuable tool in both scientific and industrial settings.