Trans-1,2-dichloroethylene is a chemical compound with the formula C₂H₂Cl₂. It is a colorless liquid that is primarily used as a solvent in industrial applications and as an intermediate in the production of other chemicals. This compound is part of the chlorinated hydrocarbons family and is known for its low boiling point and volatility. In terms of safety, trans-1,2-dichloroethylene can pose health risks if inhaled or ingested, leading to potential effects on the liver and nervous system. It is important to handle this substance with care, following guidelines set by organizations like the Environmental Protection Agency (EPA) to minimize exposure and environmental impact.