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1,1,1,2-Tetrachloroethane

From Wikipedia, the free encyclopedia

1,1,1,2-Tetrachloroethane[1]
Skeletal formula of 1,1,1,2-tetrachloroethane
Skeletal formula of 1,1,1,2-tetrachloroethane
Ball-and-stick model of 1,1,1,2-tetrachloroethane
Ball-and-stick model of 1,1,1,2-tetrachloroethane
Names
Preferred IUPAC name
1,1,1,2-Tetrachloroethane
Other names
R-130a; acetylidene tetrachloride, asymmetrical tetrachloroethane
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.010.124 Edit this at Wikidata
KEGG
UNII
  • InChI=1S/C2H2Cl4/c3-1-2(4,5)6/h1H2 checkY
    Key: QVLAWKAXOMEXPM-UHFFFAOYSA-N checkY
  • InChI=1/C2H2Cl4/c3-1-2(4,5)6/h1H2
    Key: QVLAWKAXOMEXPM-UHFFFAOYAE
  • C(C(Cl)(Cl)Cl)Cl
  • ClCC(Cl)(Cl)Cl
Properties
C2H2Cl4
Molar mass 167.848 g/mol
Appearance Clear liquid
Density 1.5532 g/cm3
Melting point −70.2 °C (−94.4 °F; 203.0 K)
Boiling point 130.5 °C (266.9 °F; 403.6 K)
0.1% (20°C)[2]
Vapor pressure 14 mmHg (25°C)[2]
Hazards
NIOSH (US health exposure limits):
PEL (Permissible)
 none[2]
REL (Recommended)
 Handle with caution in the workplace.[2]
IDLH (Immediate danger)
 N.D.[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

1,1,1,2-Tetrachloroethane is a chlorinated hydrocarbon. It is a colorless liquid with a sweet chloroform-like odor. It is used as a solvent and in the production of wood stains and varnishes. It is an isomer of 1,1,2,2-Tetrachloroethane

Production

1,1,1,2-Tetrachloroethane can be obtained by a two-step addition reaction of acetylene with chlorine (via dichloroethene), but this mainly produces 1,1,2,2-tetrachloroethane.

It can be obtained directly by chlorination of 1,1,2-trichloroethane:[3]

Safety

IARC has classified 1,1,1,2-tetrachloroethane as a possible carcinogen for humans in 2014.[4]

See also

References

  1. ^ "National Pollutant Inventory Substance Profile". Archived from the original on 2007-08-29. Retrieved 2007-07-19.
  2. ^ a b c d e NIOSH Pocket Guide to Chemical Hazards. "#0597". National Institute for Occupational Safety and Health (NIOSH).
  3. ^ Lawrance Waddams: The Petroleum chemicals Industry, S. 175.
  4. ^ IARC Monograph 106 – 1,1,1,2-Tetrachloroethane, 2014


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This page was last edited on 23 October 2023, at 20:22
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