[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][C][F][Branch1][C][F][F]"}, {"from": "gpt", "value": "The molecule appears as a colorless odorless gas. Heavier than air. Contact may irritate mucous membranes. May asphyxiate by displacing air. Contact may cause frost bite. Under prolonged exposure to fire or heat containers may rupture violently and rocket."}]