Tetrachloroethylene CAS 127-18-4 also known as perchloroethylene, is an organic compound with the chemical formula C2Cl4 and is a colorless liquid.

Chinese name: Tetrachloroethylene

Foreign name: tetrachloroethane

Nickname: Perchloroethylene

Chemical formula: C2Cl4

Molecular weight: 165.833

CAS number: 127-18-4

EINECS login number: 204-825-9

Melting point: -22 ℃

Boiling point: 121 ℃

Water solubility: insoluble

Density: 1.622 g/cm ³

Appearance: Colorless liquid

Physical and chemical properties

Density: 1.622g/cm3

Melting point: -22 ℃

Boiling point: 121 ℃

Refractive index: 1.505 (20 ℃)

Saturated vapor pressure: 2.11kPa (20 ℃)

Critical temperature: 347.1 ℃

Critical pressure: 9.74MPa

Appearance: Colorless liquid

Solubility: insoluble in water, miscible with most organic solvents such as ethanol, ether, chloroform, etc
Mainly used as organic solvents, dry cleaning agents, as well as solvents for adhesives, degreasing solvents for metals, desiccants, paint removers, insect repellents, fat extractants, and also for organic synthesis.

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