[{"from": "human", "value": "Describe this molecule. [Cl][Hg][Cl]"}, {"from": "gpt", "value": "The molecule appears as an odorless white crystalline solid. Density 5.4 g / cm3. Melting point 277 \u00b0C. Slightly volatile at ordinary temperatures. Can be sublimed unchanged. Corrosive to the mucous membranes. Toxic by inhalation (dusts, etc.), ingestion, and skin absorption. Used in photography, disinfectants, wood preservatives, fungicides."}]