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In page Organochlorine chemistry:

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Most low molecular weight and liquid chlorinated hydrocarbons such as dichloromethane, chloroform, carbon tetrachloride, dichloroethylene, trichloroethylene, tetrachloroethylene, 1,2-Dichloroethane and hexachlorobutadiene are useful solvents. These solvents tend to be relatively non-polar; they are therefore immiscible with water and effective in cleaning applications such as degreasing and dry cleaning for their ability to dissolve oils and grease. They are mostly nonflammable or have very low flammability.[citation needed]