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Topic summary

Carbon tetrachloride

Carbon tetrachloride
Names Preferred IUPAC name
Tetrachloromethane
Other names
Benzinoform
carbon(IV) chloride
carbon tet
Carboneum Tetrachloratum / Carbonei tetrachloridum
Carboneum Chloratum / Carbonei chlorurum
chloride of carbon
Freon-10
Halon-104
methane tetrachloride
methyl tetrachloride
Necatorina
perchloromethane
Refrigerant-10
Tetrachloretum Carbonicum
Tetrachlorocarbon
Tetraform
Tetrasol
Identifiers
3D model (JSmol)
Abbreviations CTC, TCM, PCM, R-10 1098295 ChEBI
ChEMBL
ChemSpider
ECHA InfoCard100.000.239EC Number
  • 200-262-8
2347 KEGG
RTECS number
  • FG4900000
UNII
UN number1846
  • InChI=1S/CCl4/c2-1(3,4)5
    Key: VZGDMQKNWNREIO-UHFFFAOYSA-N
  • InChI=1/CCl4/c2-1(3,4)5
    Key: VZGDMQKNWNREIO-UHFFFAOYAV
  • ClC(Cl)(Cl)Cl
Properties CCl4Molar mass153.81 g·mol Appearance Colourless liquid Odorchloroform-like odor Density
  • 1.5867g·cm (liquid)
  • 1.831g·cm at −186°C (solid)
  • 1.809g·cm at −80°C (solid)
Melting point−22.92 °C (−9.26 °F; 250.23 K) Boiling point76.72 °C (170.10 °F; 349.87 K)
  • 0.097g/100 mL (0°C)
  • 0.081g/100 mL (25°C)
SolubilitySoluble in alcohol, ether, chloroform, benzene, naphtha, CS2, formic acidlog P2.64 Vapor pressure11.94kPa at 20°C 2.76×10atm·m/mol −66.60×10cm/mol Thermal conductivity0.1036W/m·K (300K) 1.4607 Viscosity0.86mPa·s 0 D Structure MonoclinicTetragonal Tetrahedral0 D Thermochemistry 132.6J/mol·K 214.39J/mol·K −95.6kJ/mol −87.34kJ/mol Hazards Occupational safety and health (OHS/OSH):
Main hazards
Highly toxic to the liver and kidneys, suspected carcinogen, harmful to the ozone layerGHS labelling: DangerH301, H302, H311, H331, H351, H372, H412, H420P201, P202, P260, P264, P270, P271, P273, P280, P281, P301+P310, P302+P352, P304+P340, P308+P313, P311, P312, P314, P321, P322, P330, P361, P363, P403+P233, P405, P501, P502NFPA 704 (fire diamond)
3
0
0
Flash pointnon-flammable Lethal dose or concentration (LD, LC): 7749 mg/kg (oral, mouse); 5760 mg/kg (oral, rabbit); 2350 mg/kg (oral, rat)
  • 5400ppm (mammal)
  • 8000ppm (rat, 4hr)
  • 9526ppm (mouse, 8hr)
  • 1000ppm (human)
  • 20,000ppm (guinea pig, 2hr)
  • 38,110ppm (cat, 2hr)
  • 50,000ppm (human, 5min)
  • 14,620ppm (dog, 8hr)
NIOSH (US health exposure limits):
PEL (Permissible)
TWA 10ppm C 25ppm 200ppm (5-minute maximum peak in any 4 hours)
REL (Recommended)
Ca ST 2ppm (12.6mg/m) [60-minute]
IDLH (Immediate danger)
200ppm Safety data sheet (SDS) ICSC 0024Related compounds
Other anions
Carbon tetrafluoride
Carbon tetrabromide
Carbon tetraiodide
Other cations
Silicon tetrachloride
Germanium tetrachloride
Tin tetrachloride
Lead tetrachloride
Related chloromethanes
Chloromethane
Dichloromethane
TrichloromethaneSupplementary data page Carbon tetrachloride (data page)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Carbon tetrachloride, also known by many other names (such as carbon tet for short and tetrachloromethane, also recognised by the IUPAC), is an organic compound with the chemical formula CCl4. It is a volatile, non-flammable, dense, colourless liquid with a chloroform-like sweet odour that can be detected at low levels. It was formerly widely used in fire extinguishers, as a precursor to refrigerants, an anthelmintic and a cleaning agent, but has since been phased out because of environmental and safety concerns. Exposure to high concentrations of carbon tetrachloride can affect the central nervous system and degenerate the liver and kidneys. Prolonged exposure can be fatal.

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