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Hexachloroethane information


Hexachloroethane
Names
Preferred IUPAC name
Hexachloroethane
Other names
Carbon hexachloride, Ethane hexachloride, Perchloroethane, Sesquichloride of carbon
Identifiers
CAS Number
  • 67-72-1 checkY
3D model (JSmol)
  • Interactive image
Beilstein Reference
1740341
ChEBI
  • CHEBI:39227 checkY
ChEMBL
  • ChEMBL160929 checkY
ChemSpider
  • 5979 checkY
ECHA InfoCard 100.000.606 Edit this at Wikidata
EC Number
  • 200-666-4
Gmelin Reference
26648
KEGG
  • C19248 checkY
PubChem CID
  • 6214
UNII
  • G30K3QQT4J checkY
CompTox Dashboard (EPA)
  • DTXSID7020689 Edit this at Wikidata
InChI
  • InChI=1S/C2Cl6/c3-1(4,5)2(6,7)8 checkY
    Key: VHHHONWQHHHLTI-UHFFFAOYSA-N checkY
  • InChI=1/C2Cl6/c3-1(4,5)2(6,7)8
    Key: VHHHONWQHHHLTI-UHFFFAOYAD
SMILES
  • ClC(Cl)(Cl)C(Cl)(Cl)Cl
Properties
Chemical formula
C2Cl6
Molar mass 236.74 g/mol
Appearance colorless crystals[1]
Odor camphor-like[1]
Density 2.091 g/mL at 25 °C
Melting point sublimes
Boiling point 183 to 185 °C (361 to 365 °F; 456 to 458 K)
Solubility in water
0.005% (22.2 °C)[1]
Vapor pressure 0.2 mmHg (20 °C)[1]
Magnetic susceptibility (χ)
-112.7·10−6 cm3/mol
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Probable carcinogen, dangerous CNS depressant
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
0
0
Flash point noncombustible[1]
Lethal dose or concentration (LD, LC):
LD50 (median dose)
4460 mg/kg (rat, oral)
4970 mg/kg (guinea pig, oral)

[2]

NIOSH (US health exposure limits):
PEL (Permissible)
TWA 1 ppm (10 mg/m3) [skin][1]
REL (Recommended)
Ca TWA 1 ppm (10 mg/m3) [skin][1]
IDLH (Immediate danger)
Ca [300 ppm][1]
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 ?)
Infobox references

Hexachloroethane (perchloroethane) is an organochlorine compound with the chemical formula (CCl3)2. It is a white or colorless solid at room temperature with a camphor-like odor.[3] It has been used by the military in smoke compositions, such as base-eject smoke munitions (smoke grenades).

Hexachloroethane was discovered along with carbon tetrachloride by Michael Faraday in 1820. Faraday obtained it by chlorinating ethylene.[4]

  1. ^ a b c d e f g h NIOSH Pocket Guide to Chemical Hazards. "#0316". National Institute for Occupational Safety and Health (NIOSH).
  2. ^ "Hexachloroethane". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
  3. ^ Snedecor, Gayle (1999). "Hexachloroethane". In Kroschwitz, Jacqueline I. (ed.). Kirk-Othmer Concise Encyclopedia of Chemical Technology (4th ed.). New York: John Wiley & Sons, Inc. p. 428. ISBN 978-0471419617.
  4. ^ Faraday, Michael (1859). Experimental Researches in Chemistry and Physics. Taylor and Francis. p. 46. ISBN 978-0-85066-841-4.

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