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1,1-Dichloroethane

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1,1-Dichloroethane

Dangerous for the Environment (Nature) N|
1,1-Dichloroethane
1,1-Dichloroethane
Names
IUPAC name
1,1-Dichloroethane
Other names
ethylidene dichloride
ethylidene chloride
CFC-150a
1,1-DCA
Asymmetrical dichloroethane
1,1-Ethylidene dichloride
Identifiers
 YesY
ChEMBL  YesY
ChemSpider  YesY
Jmol-3D images Image
KEGG  YesY
PubChem
Properties
small=yes}}} }}} 0}}} 1=C|C} }}} 1=H|H} }}} 1=Ac|Ac} }}} 1=Ag|Ag} }}} 1=Al|Al} }}} 1=Am|Am} }}} 1=Ar|Ar} }}} 1=As|As} }}} 1=At|At} }}} 1=Au|Au} }}} 1=B|B} }}} 1=Ba|Ba} }}} 1=Be|Be} }}} 1=Bh|Bh} }}} 1=Bi|Bi} }}} 1=Bk|Bk} }}} 1=Br|Br} }}} 1=Ca|Ca} }}} 1=Cd|Cd} }}} 1=Ce|Ce} }}} 1=Cf|Cf} }}} 1=Cn|Cn} }}} 1=Cl|Cl} }}} 1=Cm|Cm} }}} 1=Co|Co} }}} 1=Cr|Cr} }}} 1=Cs|Cs} }}} 1=Cu|Cu} }}} 1=Db|Db} }}} 1=Ds|Ds} }}} 1=Dy|Dy} }}} 1=Er|Er} }}} 1=Es|Es} }}} 1=Eu|Eu} }}} 1=F|F} }}} 1=Fe|Fe} }}} 1=Fl|Fl} }}} 1=Fm|Fm} }}} 1=Fr|Fr} }}} 1=Ga|Ga} }}} 1=Gd|Gd} }}} 1=Ge|Ge} }}} 1=He|He} }}}}
Documentation

Appearance colorless, oily liquid[1]
Odor chloroform-like[1]
Density 1.2 g/cm3
Melting point −97 °C (−143 °F; 176 K)
Boiling point 57.2 °C (135.0 °F; 330.3 K)
0.6%[1]
Vapor pressure 182 mmHg (20°C)[1]
Hazards
Flash point −17 °C; 2 °F; 256 K [1]
Explosive limits 5.4%-11.4%[1]
US health exposure limits (NIOSH):
PEL (Permissible)
TWA 100 ppm (400 mg/m3)[1]
REL (Recommended)
TWA 100 ppm (400 mg/m3)[1]
3000 ppm[1]
Related compounds
Related compounds
1,2-Dichloroethane (ethylene dichloride); *1,1-Dichloroethene
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 N  (: YesY/N?)

1,1-Dichloroethane is a chlorinated hydrocarbon. It is a colorless oily liquid with a chloroform-like odor. It is not easily soluble in water, but miscible with most organic solvents.

Large volumes of 1,1-dichloroethane are manufactured, with annual production exceeding 1 million pounds in the United States. It is mainly used as a feedstock in chemical synthesis, chiefly of 1,1,1-trichloroethane. It is also used as a solvent for plastics, oils and fats, as a degreaser, as a fumigant in insecticide sprays, in halon fire extinguishers, and in cementing of rubber. It is used in manufacturing of high-vacuum resistant rubber and for extraction of temperature-sensitive substances. Thermal cracking at 400–500 °C and 10 MPa yields vinyl chloride. In the past, 1,1-dichloroethane was used as a surgical inhalational anesthetic.

In the atmosphere, 1,1-dichloroethane decomposes with half-life of 62 days, chiefly by reaction of photolytically produced hydroxyl radicals.

References

  1. ^ a b c d e f g h i

External links

  • Dichloroethane and Dichloroethene on members.optushome.com.au
  • ATSDR - Toxic Substances Portal
  • CDC - NIOSH Pocket Guide to Chemical Hazards
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