Silver nitrate is an inorganic compound with the chemical formula AgNO3. In its solid form, silver nitrate is coordinated in a trigonal planar arrangement. It is often used as a precursor to other silver-containing compounds. It is used in making photographic films, and in laboratory setting as a staining agent in protein visualization in PAGE gels and in scanning electron microscopySilver nitrate appears as a colorless or white crystalline solid becoming black on exposure to light or organic mater Silver Nitrate is an inorganic chemical with antiseptic activity. Silver nitrate can potentially be used as a cauterizing or sclerosing agent.