[{"from": "human", "value": "What can you tell me about this molecule? [C][C][Branch1][C][C][C][=O]"}, {"from": "gpt", "value": "The molecule appears as a clear colorless liquid with a pungent odor. Flash point of -40 \u00b0F. Less dense than water and insoluble in water. Hence floats on water. Vapors are heavier than air. Used to make other chemicals."}]