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Carbon tetrachloride information


Carbon tetrachloride
Structural formula of tetrachloride
Structural formula of tetrachloride
Space-filling model carbon tetrachloride
Space-filling model 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
CAS Number
  • 56-23-5 checkY
3D model (JSmol)
  • Interactive image
Abbreviations CTC, TCM, PCM, R-10
Beilstein Reference
1098295
ChEBI
  • CHEBI:27385 checkY
ChEMBL
  • ChEMBL44814 checkY
ChemSpider
  • 5730 checkY
ECHA InfoCard 100.000.239 Edit this at Wikidata
EC Number
  • 200-262-8
Gmelin Reference
2347
KEGG
  • C07561 checkY
PubChem CID
  • 5943
RTECS number
  • FG4900000
UNII
  • CL2T97X0V0 checkY
UN number 1846
CompTox Dashboard (EPA)
  • DTXSID8020250 Edit this at Wikidata
InChI
  • InChI=1S/CCl4/c2-1(3,4)5 checkY
    Key: VZGDMQKNWNREIO-UHFFFAOYSA-N checkY
  • InChI=1/CCl4/c2-1(3,4)5
    Key: VZGDMQKNWNREIO-UHFFFAOYAV
SMILES
  • ClC(Cl)(Cl)Cl
Properties
Chemical formula
CCl4
Molar mass 153.81 g·mol−1
Appearance Colourless liquid
Odor chloroform-like odor
Density
  • 1.5867 g·cm−3 (liquid)
  • 1.831 g·cm−3 at −186 °C (solid)
  • 1.809 g·cm−3 at −80 °C (solid)
Melting point −22.92 °C (−9.26 °F; 250.23 K)
Boiling point 76.72 °C (170.10 °F; 349.87 K)
Solubility in water
  • 0.097 g/100 mL (0 °C)
  • 0.081 g/100 mL (25 °C)
Solubility Soluble in alcohol, ether, chloroform, benzene, naphtha, CS2, formic acid
log P 2.64
Vapor pressure 11.94 kPa at 20 °C
Henry's law
constant (kH)
2.76×10−2 atm·m3/mol
Magnetic susceptibility (χ)
−66.60×10−6 cm3/mol
Thermal conductivity 0.1036 W/m·K (300 K)[1]
Refractive index (nD)
1.4607
Viscosity 0.86 mPa·s[2]
Dipole moment
0 D
Structure
Crystal structure
Monoclinic
Coordination geometry
Tetragonal
Molecular shape
Tetrahedral
Dipole moment
0 D
Thermochemistry
Heat capacity (C)
132.6 J/mol·K
Std molar
entropy (S298)
214.39 J/mol·K
Std enthalpy of
formation fH298)
−95.6 kJ/mol
Gibbs free energy fG)
−87.34 kJ/mol[3]
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
extremely toxic to the liver and kidneys, potential occupational carcinogen, harmful to the ozone layer
GHS labelling:
Pictograms
GHS06: ToxicGHS07: Exclamation markGHS08: Health hazard
Signal word
Danger
Hazard statements
H301, H302, H311, H331, H351, H372, H412, H420
Precautionary statements
P201, P202, P260, P261, 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, P502
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 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
3
0
0
Flash point non-flammable
Lethal dose or concentration (LD, LC):
LD50 (median dose)
7749 mg/kg (oral, mouse); 5760 mg/kg (oral, rabbit); 2350 mg/kg (oral, rat)[5]
LC50 (median concentration)
  • 5400 ppm (mammal)
  • 8000 ppm (rat, 4 hr)
  • 9526 ppm (mouse, 8 hr)[6]
LCLo (lowest published)
  • 1000 ppm (human)
  • 20,000 ppm (guinea pig, 2 hr)
  • 38,110 ppm (cat, 2 hr)
  • 50,000 ppm (human, 5 min)
  • 14,620 ppm (dog, 8 hr)[6]
NIOSH (US health exposure limits):
PEL (Permissible)
TWA 10 ppm C 25 ppm 200 ppm (5-minute maximum peak in any 4 hours)[4]
REL (Recommended)
Ca ST 2 ppm (12.6 mg/m3) [60-minute][4]
IDLH (Immediate danger)
200 ppm[4]
Safety data sheet (SDS) ICSC 0024
Related compounds
Other anions
Carbon tetrafluoride
Carbon tetrabromide
Carbon tetraiodide
Other cations
Silicon tetrachloride
Germanium tetrachloride
Tin tetrachloride
Lead tetrachloride
Related chloromethanes
Chloromethane
Dichloromethane
Trichloromethane
Supplementary 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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Infobox references

Carbon tetrachloride, also known by many other names (such as carbon tet for short and tetrachloromethane, also recognised by the IUPAC) is a chemical compound with the chemical formula CCl4. It is a non-flammable, dense, colourless liquid with a "sweet" chloroform-like odour that can be detected at low levels. It was formerly widely used in fire extinguishers, as a precursor to refrigerants and as 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.

Tradenames include: Carbon-Tet, Katharin (Germany, 1890s),[7] Benzinoform, Carbona and Thawpit in the cleaning industry, Halon-104 in firefighting, Refrigerant-10 in HVACR, and Necatorina and Seretin as a medication.

  1. ^ Touloukian, Y.S., Liley, P.E., and Saxena, S.C. Thermophysical properties of matter - the TPRC data series. Volume 3. Thermal conductivity - nonmetallic liquids and gases. Data book. 1970.
  2. ^ Reid, Robert C.; Prausnitz, John M.; Poling, Bruce E. (1987), The Properties of Gases and Liquids, McGraw-Hill Book Company, p. 442, ISBN 0-07-051799-1
  3. ^ "Carbon tetrachloride" (PDF). Cheméo. Retrieved 14 Jun 2022.
  4. ^ a b c NIOSH Pocket Guide to Chemical Hazards. "#0107". National Institute for Occupational Safety and Health (NIOSH).
  5. ^ Carbon Tetrachloride MSDS from Fisher Scientific
  6. ^ a b "Carbon tetrachloride". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
  7. ^ L. C. Steward, "Carbon Tetrachloride in Dry Cleaning", 1931

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content of activated carbon. Measurement of the porosity of an activated carbon by the adsorption of saturated carbon tetrachloride vapour. The finer the...

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Fire extinguisher

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which used water or water-based solutions. They later invented a carbon tetrachloride model called the "Petrolex" which was marketed toward automotive...

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