1,2-Dichloroethylene - Materials / Alfa Chemistry

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1,2-Dichloroethylene

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Catalog Number

ACMA00016754

Product Name

1,2-Dichloroethylene

Category

Polymers

Description

1,2-dichloroethylene, (mixed isomers) appears as a clear colorless liquid with ether-like odor. Mixture of cis and trans isomers. Flashpoint 36 - 43° F. Denser than water and insoluble in water. Vapors heavier than air.;Liquid;COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.;Colorless liquid (usually a mixture of the cis & trans isomers) with a slightly acrid, chloroform-like odor.;Colorless liquid (usually a mixture of the cis & trans isomers) with a slightly acrid, chloroform-like odor.

IUPAC Name

1,2-dichloroethene

Molecular Weight

96.94g/mol

Molecular Formula

C2H2Cl2;ClCH=CHCl;C2H2Cl2

Canonical SMILES

C(=CCl)Cl

InChI

InChI=1S/C2H2Cl2/c3-1-2-4/h1-2H

InChI Key

KFUSEUYYWQURPO-UHFFFAOYSA-N

Boiling Point

118 to 140 °F at 760 mm Hg (NTP, 1992);55.0 °C;55 °C;55 °C;118-140°F;118-140°F

Melting Point

-71 °F (NTP, 1992);-57.0 °C;-57 °C;-57 to -115°F;-57 to -115°F

Flash Point

39 °F (NTP, 1992);6 °C (43 °F) - closed cup;36 °F (2 °C) - closed cup;2 °C c.c.;36-39°F;36-39°F

Density

1.27 at 77 °F (USCG, 1999);Approximately 1.28;Relative density (water = 1): 1.28;1.27;(77°F): 1.27

Solubility

less than 1 mg/mL at 70° F (NTP, 1992);0.04 M;In water, 3.50X10+3 mg/L at 25 °C;Insoluble in water;Soluble in alcohol, ether, and most other organic solvents;Soluble in most organic solvents;Solubility in water: poor;0.4%

Color/Form

Colorless liquid (usually a mixture of the cis- and trans-isomers) ...;Mobile liquid

Complexity

19.2

Corrosivity

1,2-Dichloroethylene will attack some forms of plastics, rubber, and coatings.

Covalently-Bonded Unit Count

EC Number

208-750-2

Exact Mass

95.953356g/mol

Formal Charge

Heat of Vaporization

130 Btu/lb = 72 cal/g = 3.0X10+5 J/kg

Heavy Atom Count

ICSC Number

0436

Log P

log Kow = 1.86;2

MeSH Entry Terms

1,2-dichloroethene;1,2-dichloroethylene;1,2-dichloroethylene, (E)-isomer;1,2-dichloroethylene, (Z)-isomer

Monoisotopic Mass

95.953356g/mol

Odor

Ethereal, slightly acrid;Pleasant;Sweet, slightly irritating chloroform-like odor;... Slightly acrid, chloroform-like odor

Other Experimental

log Kow = 2.00 /average of cis- and trans-isomers/;Decomposes slowly on exposure to air, light, and moisture;Waste water treatment: evaporation from water at 25 °C of 1 ppm solution: 50% after 18 min (cis); 90% after 83 min (trans);Liquid-Water Interfacial Tension: (est) 30 dynes/cm = 0.030 N/m at 20 °C; Vapor (Gas) Specific Gravity: 3.34;Henry's Law constant = 4.08X10-3 atm-cu m/mol at 25 °C;Hydroxyl radical reaction rate constant = 2.09X10-12 cu cm/molecule-sec at 25 °C

Rotatable Bond Count

RTECS Number

KV9360000

Stability

Stable under recommended storage conditions.;... Gradually decomposed by light, air, and moisture, forming /hydrogen chloride/.;May form organic peroxides following prolonged contact with air.

UN Number

1150;1150;1150;1150;1150

Vapor Density

3.34 (NTP, 1992) (Relative to Air);3.4 (Air = 1);Relative vapor density (air = 1): 3.34;3.34

Vapor Pressure

180 to 265 mm Hg at 68 °F (NTP, 1992);201.00 mmHg;2.01X10+2 mm Hg at 25 °C;180-265 mmHg;180-265 mmHg

XLogP3

1.9

MSDS

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COA

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