500 ml TMB Elisa Peroxidase Substrate is formulated to be used for the reduction of H2O2 to water in the presence of a peroxidase enzyme. This reaction results in the formation of diimine which makes the solution appear blue in color. It has a high purity level and assures excellent effectiveness. This substrate also has a role to play in immunochemistry thus finds application for hospitals and research centers. 500 ml TMB Elisa Peroxidase Substrate is delivered in coated glass bottles for preventing any damage caused by light.