1,1,2,2-Tetrachloroethane
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1,1,2,2-Tetrachloroethane
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CAS No:
79-34-5
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Formula:
C2H2Cl4
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Chemical Name:
1,1,2,2-Tetrachloroethane
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Synonyms:
Ethane,1,1,2,2-tetrachloro-;1,1,2,2-Tetrachloroethane;Acetylene tetrachloride;Bonoform;Cellon;sym-Tetrachloroethane;Tetrachloroethane;s-Tetrachloroethane;1,1,2,2-Tetrachlorethane;1,1,2,2-TCE;TCA;F 130 (halocarbon);F 130;NSC 60912;R 130 (refrigerant)
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CAS No:
Description
colourless to light yellow liquid with a chloroform-like Tetrachloroethane is a heavy, volatile colorless to light yellow liquid. It has a sweetish, chloroform-like odor. The Odor Threshold is 0.5 ppm in water and 1.5 ppm in air.
Characteristics
0
2.39
slightly green-yellow Liquid
1.5953 g/cm3 @ Temp: 20 °C
-43.8 °C
46.5 °C
142-146°C
1.480
H2O: 0.3 g/100 mL (25 ºC)
Refrigerator
8 mm Hg ( 20 °C)
5.8 (vs air)
Oral-rat LD50: 250 mg/kg;Abdominal cavity-mouse LD50: 821 mg/kg
Not flammable; contact with potassium hydroxide to emit flammable gas when heated; water can promote decomposition; burning releases toxic chloride fumes
An explosion may occur when the solvent symmetrical tetrachloroethane is almost removed in the chlorinolysis of 2,4-dinitrophenyl disulfide.
Sweetish suffocating chloroform-like odor
Safety Information
II
6.1
UN 1702 6.1/PG 2
3
26/27-51/53-59-39/23/24/25-23/24/25-11
38-45-61-36/37-16-7
KI8575000
T+,N,T,F
Treasury is ventilated at low temperature and dry; stored separately from oxidants and food additives
Explosive in case of sodium or potassium
Stable. Incompatible with strong oxidizing agents, strong bases. Reacts violently with sodium, potassium, nitrates, 2,4-dinitrophenyl disulphide.
P210-P260-P273-P280-P301 + P310-P302 + P350
H225-H301 + H331-H310-H370-H412
1,1,2,2-Tetrachloroethane Use and Manufacturing
Prepared by acetylene chlorination. The reaction is carried out under tetrachloroethane itself as the solvent (the gaseous acetylene and chlorine will react directly when they explode), and the catalyst is antimony pentachloride or ferric chloride. When the ferric chloride catalyst is used, the system is kept under negative pressure, the tetrachloroethane is in a state of natural reflux, and dry acetylene and chlorine gas are continuously introduced, and the reaction heat is absorbed and removed by the refluxed tetrachloroethane vapor, and the yield is 97% (for acetylene).
Nonflammable solvent for fats, oils, waxes, resins, cellulose acetate, rubber, copal, phosphorus, sulfur.As solvent in certain types of Friedel-Crafts reactions or phthalic anhydride condensations.In the manufacture of paint, varnish, and rust removers.In soil sterilization and weed killer and insecticide formulations.In the determination of theobromine in cacao.As immersion fluid in crystallography.In the biological laboratory to produce pathological changes in gastrointestinal tract, liver, and kidneys.Intermediate in the manufacture of trichloroethylene and other chlorinated hydrocarbons having two carbon atoms.
Computed Properties
Molecular Weight:167.8
XLogP3:2.4
Rotatable Bond Count:1
Exact Mass:167.888111
Monoisotopic Mass:165.891061
Heavy Atom Count:6
Complexity:26.5
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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