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1,2-Dichloroethylene or 1,2-DCE is the name for a pair of organochlorine compounds with the molecular formula C 2 H 2 Cl 2. 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 ...
cis-1,2-dichloroethene trans -1,2-dichloroethene These differences can be very small, as in the case of the boiling point of straight-chain alkenes, such as pent-2-ene , which is 37 °C in the cis isomer and 36 °C in the trans isomer. [ 5 ]
Dichloroethene. Dichloroethene or dichloroethylene, often abbreviated as DCE, can refer to any one of several isomeric forms of the organochloride with the molecular formula C 2 H 2 Cl 2 : There are three isomers: 1,1-Dichloroethene. 1,2-Dichloroethene ( E and Z)
Traditionally, double bond stereochemistry was described as either cis (Latin, on this side) or trans (Latin, across), in reference to the relative position of substituents on either side of a double bond. A simple example of cis–trans isomerism is the 1,2-disubstituted ethenes, like the dichloroethene (C 2 H 2 Cl 2) isomers shown below. [7]
The chemical compound 1,2-dichloroethane, commonly known as ethylene dichloride (EDC), is a chlorinated hydrocarbon. It is a colourless liquid with a chloroform -like odour . The most common use of 1,2-dichloroethane is in the production of vinyl chloride , which is used to make polyvinyl chloride (PVC) pipes, furniture and automobile ...
1,1-Dichloroethylene, commonly called vinylidene chloride or 1,1-DCE, is an organochloride with the molecular formula CHCl 2 CH 3.It is a colorless liquid with a sharp odor. Like most chlorocarbons, it is poorly soluble in water but soluble in organic solvents. 1,1-DCE was the precursor to the original clingwrap, Saran, for food, but this application has been phased o
Vapor pressure of liquid. Table data obtained from CRC Handbook of Chemistry and Physics 44th ed. The (s) annotation indicates temperature is equilibrium of vapor over solid. Otherwise temperature is equilibrium of vapor over liquid. log10 of 1,2-dichloroethane vapor pressure. Uses formula: obtained from CHERIC [ 5]
An example in organic chemistry of the role of geometry in determining dipole moment is the cis and trans isomers of 1,2-dichloroethene. In the cis isomer the two polar C−Cl bonds are on the same side of the C=C double bond and the molecular dipole moment is 1.90 D.