Mercury(II) chloride or mercuric chloride is the chemical compound of mercury and chlorine.It is white crystalline solid and is a laboratory reagent and a molecular compound that is very toxic to humans.
Mercury(II) chloride is an inorganic salt with the molecular formula HgCl2. Its vapor phase Raman spectra has been recorded and analyzed. The molecular structure of HgCl2 has been investigated based on the electron diffraction analysis data.