PER CHLOROETHYLENE BELGIUM
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CAS number: 127-18-4
ChemSpider: 13837281
UNII: TJ904HH8SN
EC number: 204-825-9
UN number: 1897
KEGG: C06789
Chebi: 17300
CHEMBL114062
RTECS number: KX3850000
Molecular formula: C2Cl4
Molar mass: 165.83 g mol-1
Appearance: Clear, colorless liquid
Density: 1.622 g / cm3
Melting point: -19 ° C, 254 K, -2 ° F
Boiling point: 121,1 ° C, 394 K, 250 ° F
Solubility in water: 0.015 g / 100 ml (20 ° C)
Viscosity: 0.89 cP at 25 ° C
R-phrases: R40 R51 / 53
S-phrases: S23 S36 / 37 S61
Main hazards: Harmful (Xn) in environment (N)
Flash point: Not flammable
Other names: 1,1,2,2-tetrachlorethylene
General Information
It is a colorless liquid with a chemical formula C2Cl4, has an ether-like odor. It is highly stable, hydrolyzed. It is used as a solvent in many applications.
Production and Reactions
Perchlorethylene is produced from dichloromethane. Since trichlorethylene is another by-product produced during this reaction, these two chemicals are then separated by distillation.
Usage areas
Hygiene
It is the most widely used solvent for dry cleaning.
Automotive
In this sector, it is used to pick up oils on metal.
Cooling
HCFC tibi is used in the production of coolers.