[{"from": "human", "value": "Provide a brief overview of this molecule. [H+1].[H+1].[F][Si-2][Branch1][C][F][Branch1][C][F][Branch1][C][F][Branch1][C][F][F]"}, {"from": "gpt", "value": "The molecule appears as a colorless fuming liquid with a penetrating pungent odor. Corrosive to metals and tissue. Both the fumes and very short contact with the liquid can cause severe and painful burns. Used in water fluoridation, in hardening cement and ceramics, as a wood preservative."}]