1,1,2,2-tetrachloroethane (TeCA), also known by the brand names Bonoform, Cellon and Westron, is an organic compound. It is colorless liquid and has a sweet odor. It is used as an industrial solvent and as a separation agent. TeCA is toxic and it can be inhaled, consumed or absorbed through the skin. After exposure, nausea, dizziness or even liver damage may occur.
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Names | |||
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Preferred IUPAC name
1,1,2,2-Tetrachloroethane | |||
Other names
s-Tetrachloroethane
Acetylene tetrachloride R-130 TeCA UN 1702 | |||
Identifiers | |||
3D model (JSmol)
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ChEBI | |||
ChEMBL | |||
ChemSpider | |||
ECHA InfoCard | 100.001.089 | ||
KEGG | |||
PubChem CID
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UNII | |||
CompTox Dashboard (EPA)
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Properties | |||
C2H2Cl4 | |||
Molar mass | 167.848 g/mol | ||
Appearance | Colorless to pale yellow liquid[2] | ||
Odor | pungent, chloroform-like[2] | ||
Density | 1.59 g/cm3 | ||
Melting point | −44 °C (−47 °F; 229 K) | ||
Boiling point | 146.5 °C (295.7 °F; 419.6 K) | ||
1 g/350 mL | |||
Vapor pressure | 5 mmHg (20°C)[2] | ||
-89.8·10−6 cm3/mol | |||
Hazards | |||
Lethal dose or concentration (LD, LC): | |||
LC50 (median concentration)
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1000 ppm (rat, 4 hr)[3] | ||
LCLo (lowest published)
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1000 ppm (rat, 4 hr) 643 ppm (mouse, 2 hr) 2714 ppm (cat, 45 min)[3] | ||
NIOSH (US health exposure limits): | |||
PEL (Permissible)
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TWA 5 ppm (35 mg/m3) [skin][2] | ||
REL (Recommended)
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Ca TWA 1 ppm (7 mg/m3) [skin][2] | ||
IDLH (Immediate danger)
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Ca [100 ppm][2] | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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