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Merck
CN

D62403

1,2-Dichloroethylene, mixture of cis and trans

98%

Synonym(s):

1,2-Dichloroethene, Acetylene dichloride, sym-Dichloroethylene

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About This Item

Linear Formula:
ClCH=CHCl
CAS Number:
Molecular Weight:
96.94
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
208-750-2
MDL number:
Assay:
98%
Form:
liquid
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vapor pressure

5.32 psi ( 20 °C)

Quality Level

assay

98%

form

liquid

refractive index

n20/D 1.447 (lit.)

bp

48-60 °C (lit.)

mp

−57 °C (lit.)

density

1.265 g/mL at 25 °C (lit.)

SMILES string

Cl\C=C\Cl

InChI

1S/C2H2Cl2/c3-1-2-4/h1-2H/b2-1+

InChI key

KFUSEUYYWQURPO-OWOJBTEDSA-N

General description

1,2-Dichloroethylene, also known as acetylene dichloride, is a chlorinated aliphatic hydrocarbon that is commonly used as an extraction solvent and as a chemical intermediate for other chlorinated solvents and compounds.

Application

1,2-Dichloroethylene, mixture of cis and trans can be used as a reactant to synthesize:
  • Chloro-enynes from terminal alkynes via Sonogashira coupling.
  • Trichloroethyl alkyl ketones by reacting with acyl chlorides via Friedel-Crafts reaction in the presence of aluminum chloride.
  • (Ethenediyl)bis[thiazole] via Pd-catalyzed Stille-coupling reaction with 2-(tributylstannyl)thiazole.


pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

42.8 °F - closed cup

flash_point_c

6 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

危险化学品

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Dichloroethylene
James A and Mertens
Kirk-Othmer Encyclopedia of Chemical Technology (2000)
The optimization of poly (vinyl)-alcohol-alginate beads with a slow-release compound for the aerobic cometabolism of chlorinated aliphatic hydrocarbons
Conor H G, et al.
RSC Sustainability, 2, 1101-1117 (2024)
Jisu Hong et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 25(2), 649-656 (2018-11-06)
The effects of the molecular structure of thiazole-based polymers on the active layer morphologies and performances of electronic and photovoltaic devices were studied. Thus, thiazole-based conjugated polymers with a novel thiazole-vinylene-thiazole (TzVTz) structure were designed and synthesized. The TzVTz structure



Global Trade Item Number

SKUGTIN
D62403-100ML04061833587454
D62403-25ML04061837084980