Mercuric Chloride. Corrosive Sublimate . HgCl2 . Mercuric Perchloride . Mercury Bichloride . Mercury Perchloride . Sublimate . Bichloride, Mercury . Chloride, Mercuric . Dichloride, Mercury . Perchloride, Mercuric . Perchloride, Mercury . Sublimate, Corrosive . Mercury Dichloride . Mercury chloride (HgCl2). A highly toxic compound that volatizes slightly at ordinary temperature and appreciably at 100 degrees C. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant. . 0.52