Carbon tetrachloride

Carbon tetrachloride

Names
IUPAC name Carbon tetrachloride, Tetrachloromethane
Other names Benzinoform, Carbon chloride, Carbon tet, Freon-10, Refrigerant-10, Halon-104, Methane tetrachloride, Methyl tetrachloride, Necatorina, Perchloromethane, Tetraform, Tetrasol
Identifiers
CAS Number	56-23-5 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:27385 Y
ChEMBL	ChEMBL44814 Y
ChemSpider	5730 Y
ECHA InfoCard	100.000.239
EC Number	200-262-8
KEGG	C07561 Y
PubChem CID	5943
RTECS number	FG4900000
UNII	CL2T97X0V0 Y
UN number	1846
CompTox Dashboard (EPA)	DTXSID8020250
SMILES ClC(Cl)(Cl)Cl
Properties
Chemical formula	CCl4
Molar mass	153.81 g·mol−1
Appearance	colourless liquid
Odor	Sweet, 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
kH	2.76x10−2 atm-cu m/mol
Magnetic susceptibility (χ)	-66.60·10−6 cm3/mol
Refractive index (nD)	1.4607
Dipole moment	0 D
Structure
Crystal structure	Monoclinic
Coordination geometry	Tetragonal
Molecular shape	Tetrahedral
Dipole moment	0 D
Thermochemistry
Std enthalpy of formation ΔfHo298	-139.3 kJ/mol
Standard molar entropy So298	214.42 J/mol K
Specific heat capacity, C	132.6 J/mol K
Hazards
EU classification	T N
NFPA 704	0 3 0
R-phrases	R23/24/25, R40, R48/23, R59, R52/53
S-phrases	(S1/2), S23, S36/37, S45, S59, S61
Flash point	<982°C
U.S. Permissible exposure limit (PEL)	TWA 10 ppm C 25 ppm 200 ppm (5-minute maximum peak in any 4 hours)[1]
Related compounds
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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 as tetrachloromethane or carbon tet for short, is a chemical compound. Its chemical formula is CCl₄. It contains carbon in its +4 oxidation state and chloride ions. It is a colourless heavy liquid.

1. ↑ NIOSH Pocket Guide to Chemical Hazards. "#0107". National Institute for Occupational Safety and Health (NIOSH).