[{"from": "human", "value": "Please give me some details about this molecule. [C][#C]"}, {"from": "gpt", "value": "The molecule appears as a colorless gas with a faint garlic-like odor. Easily ignited and burns with a sooty flame. Gas is lighter than air. Flame may flash back to the source of a leak very easily. Under prolonged exposure to fire or heat the containers may rupture violently and rocket."}]