Perchloroethylene (also known as perc or tetrachloroethane), is an organic compound used primarily as a solvent. It has been widely used since the early 20th century for cleaning metal parts such as aluminum cans, copper wire, brass, stainless steel, and tin plating. It was also used as a degreasing agent for many materials including wood, plastics, rubber, and textiles.

• Helps prevent infections.