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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 |