Mercury(II) thiocyanate
Chemical compound
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Mercury(II) thiocyanate is an inorganic chemical compound, the coordination complex of Hg²⁺ and the thiocyanate anion. It is a white powder. It will produce a large, winding "snake" when ignited, an effect known as the Pharaoh's serpent. Wikipedia
Formula: Hg(SCN)2
Molar mass: 316.79 g/mol
Solubility: Soluble in dilute hydrochloric acid, KCN, ammonia; slightly soluble in alcohol, ether
Density: 3.71 g/cm³
Melting point: 165 °C (329 °F; 438 K) (decomposes)
Appearance: White monoclinic powder
Magnetic susceptibility (χ): −96.5·10−6 cm3/mol