[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule appears as a clear colorless liquid with a strong odor of vinegar. Flash point 104 \u00b0F. Density 8.8 lb / gal. Corrosive to metals and tissue. Used to make other chemicals, as a food additive, and in petroleum production."}]