Perchloroethylene, also known as tetrachloroethylene or PCE, is a colorless liquid chemical with the molecular formula C2Cl4. It is commonly used as a solvent in various industrial applications, particularly in dry cleaning and metal degreasing processes. Perchloroethylene is available in different grades and concentrations depending on the intended use.
Property | Specification |
---|---|
CAS Number | 127-18-4 |
Molecular Formula | C2Cl4 |
Appearance | Colorless liquid |
Purity | 99% min |
Boiling Point | 121.1°C |
Melting Point | -22.2°C |
Density | 1.622-1.627 g/cm³ |
Solubility | Insoluble in water |
Odor | Characteristic odor |
Flash Point | None (non-flammable) |
Vapor Pressure | 13.33 kPa at 20°C |
Vapor Density | 5.35 (air = 1) |
Toxicity | Moderately toxic |
Environmental Impact | Ozone-depleting substance |