manufacturer of metallic silver mercury.WE supply best quality product of Hg2Cl2It is used in thermometers because it has a large thermal expansion which . It alloys easily with many metals, such as gold, silver. Industry uses mercury metal as a liquid electrode in the manufacture of chlorine and sodium.Like silver, mercury reacts with atmospheric hydrogen sulfide. Mercury even reacts with solid sulfur flakes, which are used in mercury spill kits to absorb mercury .