[{"from": "human", "value": "Describe this molecule. [C][C][C][C][Branch1][C][C][Br]"}, {"from": "gpt", "value": "The molecule appears as a colorless to yellow-colored liquid with a strong odor. Flash point 90 \u00b0F. Slightly denser than water and insoluble in water. Vapors heavier than air. May irritate skin and eyes. In high concentrations the vapors may be narcotic."}]