3′-diaminobenzidine_Kain Industrial Additive

Background and overview[1][2] The selenium reagent is abbreviated as DAB, and its scientific name is 3,3′-diaminobenzidine. It reacts with Se (W) in an acidic medium to form a yellow stem. DAB is an alkali that darkens quickly in the air. Its hydrochloric acid Salt is a white needle-shaped substance, soluble in water, and its aqueous…