[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][C][F][F]"}, {"from": "gpt", "value": "The molecule appears as a colorless odorless gas. Insoluble in water and has a high thermal stability. Its vapors are heavier than air. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. Contact with the unconfined liquid can cause frostbite. Used as a refrigerant."}]