Silver nitrate appears as a colorless or white crystalline solid becoming black on exposure to light or organic material.
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 microscopy.