Trichloroethylene
![](/Images/godic/202502/17/Trikloreten.svg3758.png")
![Private groundwater well sampling results in Lisle, Illinois in 2001. The areas shaded in red represent private wells that came back with detectable levels of trichloroethylene from their tests. Plume on map extends down from Ogden Avenue in Lisle, IL to 63rd Street in Woodridge, Illinois.](/Images/godic/202502/17/Lislegroundwatersitemap3759.jpg")
The chemical compound trichloroethylene (C
2HCl
3) is a halocarbon commonly used as an industrial solvent. It is a clear non-flammable liquid with a sweet smell. It should not be confused with the similar 1,1,1-trichloroethane, which is commonly known as chlorothene.