What is Dichloroethane used for

Dichloroethane is a colorless, oily, organic liquid with a sweet, chloroform-like odor with Molecular Formula: C2H4Cl2 and Molecular Weight: 98.96 . It is commonly known by its old name of ethylene dichloride, is a chlorinated hydrocarbon, mainly used to produce vinyl chloride monomer , the major precursor for PVC production. Dichloroethane is also used generally as an intermediate for other organic chemical compounds and as a solvent. It forms azeotropes with many other solvents, including water and other chlorocarbons. The CAS Registry Number is 107-06-2.

The greatest use of Dichloroethane is in making chemicals involved in plastics, rubber and synthetic textile fibers. Other uses include: as a solvent for resins and fats, photography, photocopying, cosmetics, drugs, and as a fumigant for grains and orchards. EPA regulates dichloroethane(CAS NO:107-06-2) in drinking water to protect public health. Dichloroethane may cause health problems if present in public or private water supplies in amounts greater than the drinking water standard set by EPA.

As a good polar aprotic solvent, dichloroethane could be used as degreaser and paint remover but is now banned from use due to its toxicity and carcinogenity. As a useful 'building block' reagent, it is used as an intermediate in the production of various organic compounds such as ethylenediamine. In the laboratory it is occasionally used as a source of chlorine, with elimination of ethene and chloride.

In 1794, physician Jan Rudolph Deiman, merchant Adriaan Paets van Troostwijk, chemist Anthoni Lauwerenburg, and botanist Nicolaas Bondt, under the name of Gezelschap der Hollandsche Scheikundigen, were the first to produce dichloroethane from olefiant gas and chlorine gas. Although the Gezelschap in practice did not do much in-depth scientific research, they and their publications were highly regarded. Part of that acknowledgement is that dichloroethane has been called "Dutch oil" in old chemistry.

The major source of dichloroethane in drinking water is discharge from industrial chemical factories.A federal law called the Emergency Planning and Community Right to Know Act (EPCRA) requires facilities in certain industries, which manufacture, process, or use significant amounts of toxic chemicals, to report annually on their releases of these chemicals.

Some people who drink water containing dichloroethane well in excess of the maximum contaminant level for many years may have an increased risk of getting cancer. This health effects language is not intended to catalog all possible health effects for dichloroethane. Rather, it is intended to inform consumers of some of the possible health effects associated with dichloroethane in drinking water when the rule was finalized.

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