Also known as 1,2-dichloroethylene, acetylene dichloride
1,2-Dichloroethylene (1,2-DCE) is a pair of organochlorine compounds with the molecular formula . The two compounds are isomers, each being colorless liquids with a sweet odor. It can exist as either of two geometric isomers, cis-1,2-dichloroethene or trans-1,2-dichloroethene, but is often used as a mixture of the two. They have modest solubility in water. These compounds have some applications as a degreasing solvent. In contrast to most cis-trans compounds, the Z isomer (cis) is more stable than the E isomer (trans) by 0.4 kcal/mol.
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1,2-Dichloroethylene (1,2-DCE) is a pair of organochlorine compounds with the molecular formula . The two compounds are isomers, each being colorless liquids with a sweet odor. It can exist as either of two geometric isomers, cis-1,2-dichloroethene or trans-1,2-dichloroethene, but is often used as a mixture of the two. They have modest solubility in water. These compounds have some applications as a degreasing solvent. In contrast to most cis-trans compounds, the Z isomer (cis) is more stable than the E isomer (trans) by 0.4 kcal/mol.
==Production, uses and reactions== cis-DCE, the Z isomer, is obtainable by the controlled chlorination of acetylene: CH + Cl → CHCl
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