Trans-1,2-Dichloroethene is a chemical compound with the formula C₂H₂Cl₂. It is a colorless liquid with a sweet odor, commonly used as a solvent in industrial applications and in the production of other chemicals. This compound is part of the chlorinated hydrocarbons family and is known for its stability and low reactivity. In the environment, trans-1,2-Dichloroethene can be found in soil and groundwater due to its use in various industrial processes. It is important to monitor its levels, as exposure can have health effects. Regulatory agencies, such as the Environmental Protection Agency (EPA), set guidelines to manage its use and limit exposure to humans and wildlife.