Tags: Chemical Compound, Chemical Substance.
Mercury(II) thiocyanate (Hg(SCN)2) is an inorganic chemical compound the coordination complex of Hg2+ and the thiocyanate anion. It is a white powder. It is best known for its former use in pyrotechnics as it will produce a large winding “snake” when ignited an effect known as the Pharaoh’s Serpent.