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Mercury(II) thiocyanate (Hg(SCN)2) is an inorganic chemical compound, the coordination complex of Hg2+ and the thiocyanate anion.
M 1736 (OTTO) Mercuric thiocyanate, 99% Cas 592-85-8 - used in pyrotechnics causing an effect known as the Pharaoh's serpent or Pharaoh's snake.