2-Hexanone is a colorless to pale yellow liquid with sharp odor belonging to the class of ketones. It is obtained as a waste product of coal gasification, oil shale operations and wood pulping. It is widely used as a solvent in industry.
Tetrachloroethene is a colorless liquid having an ethereal odor, which can find applications as a chemical intermediate and dry cleaning agent. It can also undergo reductive dehalogenation in the presence of an anaerobic bacterium to yield cis-1,2-dichloroethene.