[{"from": "human", "value": "Please give me some details about this molecule. [C][O][C][=Branch1][C][=O][C][Branch1][C][Cl][Branch1][C][Cl][Cl]"}, {"from": "gpt", "value": "The molecule appears as a colorless liquid. Insoluble in water and denser than water. Contact may slightly irritate skin, eyes and mucous membranes. May be toxic by ingestion. Used to make other chemicals."}]