Trichloroethylene is an organic compound with the chemical formula C2HCl3. It is derived from ethylene by replacing three hydrogen atoms with chlorine atoms. It appears as a colorless transparent liquid, insoluble in water but soluble in ethanol, and miscible with most organic solvents. It is primarily used as a solvent and also finds applications in degreasing, refrigeration, pesticides, perfumes, the rubber industry, and fabric cleaning.