D62403
1,2-Dichlorethylen, Mischung aus cis und trans
98%
Synonym(e):
1,2-Dichloroethene, Acetylene dichloride, sym-Dichloroethylene
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About This Item
Lineare Formel:
ClCH=CHCl
CAS-Nummer:
Molekulargewicht:
96.94
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352100
PubChem Substanz-ID:
NACRES:
NA.22
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Dampfdruck
5.32 psi ( 20 °C)
Assay
98%
Form
liquid
Brechungsindex
n20/D 1.447 (lit.)
bp
48-60 °C (lit.)
mp (Schmelzpunkt)
−57 °C (lit.)
Dichte
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+
InChIKey
KFUSEUYYWQURPO-OWOJBTEDSA-N
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Allgemeine Beschreibung
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.
Anwendung
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.
Zubehör
Produkt-Nr.
Beschreibung
Preisangaben
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Flam. Liq. 2
Lagerklassenschlüssel
3 - Flammable liquids
WGK
WGK 2
Flammpunkt (°F)
42.8 °F - closed cup
Flammpunkt (°C)
6 °C - closed cup
Persönliche Schutzausrüstung
Eyeshields, Faceshields, Gloves
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C Andrew Ramsburg et al.
Environmental science & technology, 44(23), 9105-9111 (2010-11-09)
Abiotic and biotic reductive dechlorination with chlorinated ethene dense non-aqueous-phase liquid (DNAPL) source zones can lead to significant fluxes of complete and incomplete transformation products. Accurate assessment of in situ rates of transformation and the potential for product sequestration requires
Florian Schevenels et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 19(13), 4335-4343 (2013-01-22)
Highly functionalised benzofurans have been prepared from ortho-hydroxyphenones and 1,1-dichloroethylene. The key intermediate, a chloromethylene furan, smoothly rearranged into the corresponding benzofuran carbaldehyde under acidic conditions. Some mechanistic investigations have been performed and several biologically active benzofurans have been synthesised.
He-Ping Zhao et al.
Water research, 44(7), 2276-2282 (2010-01-19)
The presence of other chloroethenes influences aerobic metabolic biodegradation of cis-1,2-dichloroethene (cDCE). A new metabolically cDCE degrading enrichment culture was identified as also being capable of degrading vinyl chloride (VC), but not 1,1-dichloroethene (1,1DCE), trans-1,2-dichloroethene (tDCE), trichloroethene (TCE), or tetrachloroethene
He-Ping Zhao et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 64(9), 1796-1803 (2011-10-25)
Degradation of the lower chlorinated ethenes is crucial to the application of natural attenuation or in situ bioremediation on chlorinated ethene contaminated sites. Recently, within mixtures of several chloroethenes as they can occur in contaminated groundwater inhibiting effects on aerobic
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