Description
Tetrachloroethylene Chemical Properties
| Melting point | -22 °C (lit.) |
| Boiling point | 121 °C (lit.) |
| density | 1.623 g/mL at 25 °C (lit.) |
| vapor density | 5.83 (vs air) |
| vapor pressure | 13 mm Hg ( 20 °C) |
| refractive index | n20/D 1.505(lit.) |
| Fp | 120-121°C |
| storage temp. | Store at +2°C to +25°C. |
| solubility | water: soluble0.15g/L at 25°C |
| form | Liquid |
| color | APHA: ≤10 |
| Odor | chloroform-like odor |
| Odor Threshold | 0.77ppm |
| Water Solubility | Miscible with alcohol, ether, chloroform, benzene and hexane. Slightly miscible with water. |
| FreezingPoint | -22.0℃ |
| λmax | λ: 290 nm Amax: 1.00 λ: 295 nm Amax: 0.30 λ: 300 nm Amax: ≤0.20 λ: 305 nm Amax: 0.10 λ: 350 nm Amax: 0.05 λ: 400 nm Amax: 0.03 |
| Merck | 14,9190 |
| BRN | 1361721 |
| Henry’s Law Constant | 4.97 at 1.8 °C, 15.5 at 21.6 °C, 34.2 at 40.0 °C, 47.0 at 50 °C, 68.9 at 60 °C, 117.0 at 70 °C (EPICS-GC, Shimotori and Arnold, 2003) |
| Exposure limits | TLV-TWA 50 ppm (～325 mg/m3) (ACGIH), 100 ppm (MSHA and OSHA); TLV-STEL 200 ppm (ACGIH); carcinogenicity: Animal Limited Evidence. |
| Dielectric constant | 2.5（21℃） |
| Stability: | Stable. Incompatible with strong oxidizing agents, alkali metals, aluminium, strong bases. |
| LogP | 2.53 at 20℃ |
| CAS DataBase Reference | 127-18-4(CAS DataBase Reference) |
| IARC | 2A (Vol. Sup 7, 63, 106) 2014 |
| NIST Chemistry Reference | Tetrachloroethylene(127-18-4) |
| EPA Substance Registry System | Tetrachloroethylene (127-18-4) |
Safety Information
| Hazard Codes | Xn,N,T,F |
| Risk Statements | 40-51/53-23/25-11-39/23/24/25-23/24/25 |
| Safety Statements | 23-36/37-61-45-24-16-7 |
| RIDADR | UN 1897 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | KX3850000 |
| Autoignition Temperature | 260℃ |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29032300 |
| Hazardous Substances Data | 127-18-4(Hazardous Substances Data) |
| Toxicity | LD50 orally in mice: 8.85 g/kg (Dybing); LC for mice in air: 5925 ppm (Lazarew) |
| IDLA | 150 ppm |
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