Perchloroethylene (C2Cl4) is a colorless liquid with an ether-like odor that is highly volatile and virtually non-flammable. Classified as a probable carcinogen category 2A (R40) by IARC*, it is also likely to cause respiratory and eye irritation, dizziness, nausea, headache, memory loss and drowsiness leading to unconsciousness and death.
*IARC: International Agency for Research on Cancer (part of the WHO World Health Organization)