[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][=Branch1][C][Branch1][C][Cl][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is a colorless, sweet-smelling liquid. It does not burn easily, can be dissolved in water, and evaporates easily. It is used as a solvent (a chemical that dissolves other substances) and as an intermediate in the production of the chemical, 1,1-dichloroethane. 1,1,2-Trichloroethane is sometimes present as an impurity in other chemicals, and it may be formed when another chemical breaks down in the environment under conditions where there is no air."}]