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Tetrachloroethylene, also known under the systematic name tetrachloroethene, or perchloroethylene ("perc" or "PERC"), and many other names, is a chlorocarbon with the formula Cl2C=CCl2.
T 1357 (OTTO) Tetrachloro ethylene, GR 99%+ Cas 127-18-4 - used as a cleaning solvent in dry cleaning and textile.