Perchloroethylene 99.9%min. usage: dry clean, organic impregnant, cleanout , desulfurize. Name: Perchloroethylene, TetrachloroethyleneMolecular Formula: C2Cl4Appearance : ... : 6.1; ToxicH.S.CODE: 29032300U.N. NO.: 1897 Use: Dry Clean, Organic Impregnant, Cleanout , Desulfurize.Packing : 300kgs net in each ...