Tetrachloroethylene CAS#127-18-4
Chemical Name: Tetrachloroethylene
CAS Registry Number: 127-18-4
Molecular Formula: C₂Cl₄
Molecular Weight: 165.83
Appearance: Colorless transparent liquid
Sample Availability: Available
Physical & Chemical Properties
This product is a volatile liquid with a distinct sweet odor. It is non-flammable under conventional conditions.
- Melting Point: -22.2 °C
- Boiling Point: 121.1 °C
- Relative Density (20 °C): 1.623 g/cm³
- Refractive Index (20 °C): 1.505
- Vapor Pressure (25 °C): 18.6 mmHg
- Solubility: Practically insoluble in water, and completely miscible with most organic solvents
- Chemical Stability: Features excellent chemical stability in regular storage and application environments
Tetrachloroethylene is a high-performance industrial solvent. It is endowed with strong dissolving power, relatively low toxicity and superior drying performance, which makes it widely applicable in multiple industrial scenarios.
Parameters
| Property | Value |
| Melting point | -22 °C |
| Boiling point | 121 °C (lit.) |
| density | 1.623 g/mL at 25 °C (lit.) |
| vapor pressure | 19 mm Hg (20 °C) |
| refractive index | n20/D 1.505 (lit.) |
| Fp | None (non-flammable) |
| storage temp. | 2-8°C |
| solubility | Insoluble in water; miscible with organic solvents |
| form | Liquid |
| color | Colorless |
| Odor | Sweet, ethereal |
| Water Solubility | 0.015 g/L (20 °C) |
| Stability | Stable |
| LogP | 3.40 |
| Viscosity | 0.83 mPa·s (20 °C) |
| CAS DataBase Reference | 127-18-4(CAS DataBase Reference) |
| EPA Substance Registry System | Tetrachloroethylene (127-18-4) |
Safety Information
| Item | Value |
| Hazard Codes | T, Xi, N |
| Risk Statements | 40-41-43-51/53 |
| Safety Statements | 23-36/37-45-61 |
| RIDADR | UN 1897 6.1/PG 3 |
| WGK Germany | 2 |
| RTECS | KX3850000 |
| HS Code | 29032300 |
| Toxicity | LD50 orally in rat: 3005 mg/kg |
Product Application of Tetrachloroethylene CAS#127-18-4
Textile industry: Primarily used for dry cleaning of various textiles and fabrics.
Metal processing industry: Widely applied for metal surface degreasing and oil removal.
General industrial solvent: Effective for dissolving fats, oils, waxes and different types of resins.
Chemical industry: Serves as an important intermediate for organic synthesis.
Thermal engineering: Used as a professional heat-transfer medium in relevant equipment and systems.
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