1,2-Dichloroethylene Properties, Molecular Formula, Applications - WorldOfChemicals

1,2-Dichloroethylene Properties


Molecule 3D Structure Image
Molecule Structure Image



1,2-Dichloroethyleneis an organochloride . It is a highly flammable, colorless liquid with a sharp, harsh 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. It is minimally soluble (5090 mg/L for the cis-isomer[1]) in water, and soluble in ethanol, diethyl ether, acetone, benzene, and chloroform.1,2-DCE is used as a solvent for waxes, resins, polymers, fats, and lacquers. It is also used as an intermediate in the preparation of other chlorinated solvents.The major health effect of inhalation of vapors of 1,2-DCE is narcosis; it has been used in a combination with diethyl ether as an anesthetic. In high concentrations, exposure to 1,2-DCE causes

Chemical Properties

Appearance Colourless liquid
Boiling Point 60.3 °C(cis)
47.5 °C(trans)
CAS Number 540-59-0
ChEBI 18882
Density 1.28 g/cm³(cis)
1.26 g/cm³(trans)
Dipole Moment 1.9 D(cis)
0 D(trans)
IUPAC Name 1,2-Dichloroethene
Main Hazards Inhalation causes nausea, vomiting, weakness, tremor, epigastric cramps, and central nervous depression. Contact with liquid causes irritation of eyes and (on prolonged contact) skin. Ingestion causes slight depression to deep narcosis.
Melting Point -81 °C(cis)
-81 °C(trans)
Molar Mass 96.95 g/mol
Molecular Formula C2H2Cl2
NFPA 704 H-2,F-3,R-2,C-NA
RTECS Number KV9360000
Refractive n20/D 1.447(lit.)
Synonyms Ethylene,1,2-dichloro- (8CI); 1,2-Dichloroethene; 1,2-Dichloroethylene; Acetylenedichloride; Dioform; sym-Dichloroethylene
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