Description
Trichloroethylene Chemical Properties
| Melting point | -86 °C |
| Boiling point | 87 °C |
| density | 1.463 g/mL at 25 °C(lit.) |
| vapor density | 4.5 (vs air) |
| vapor pressure | 61 mm Hg ( 20 °C) |
| refractive index | n20/D 1.476(lit.) |
| Fp | 90°C |
| storage temp. | 2-8°C |
| solubility | Soluble in acetone, ethanol, chloroform, ether (U.S. EPA, 1985), and other organic solvents including bromoform, carbon tetrachloride, methylene chloride, trichloroethylene, and tetrachloroethylene. |
| form | Liquid |
| color | Clear colorless |
| Odor | Chloroform-like; ethereal. |
| Odor Threshold | 3.9ppm |
| Water Solubility | Slightly soluble. 0.11 g/100 mL |
| Merck | 14,9639 |
| BRN | 1736782 |
| Henry’s Law Constant | 3.14 at 1.8 °C, 8.47 at 21.6 °C, 19.0 at 40.0 °C, 26.5 at 50 °C, 35.8 at 60 °C, 56.6 at 70 °C (EPICS-GC, Shimotori and Arnold, 2003) |
| Exposure limits | TLV-TWA 50 ppm (～270 mg/m3) (ACGIH), 100 ppm (MSHA and OSHA); TLV-STEL 200 ppm (ACGIH); ceiling 200 ppm (OSHA); carcinogenicity: Animal Lim ited Evidence, Human Inadequate Evidence (IARC). |
| Dielectric constant | 3.4（16℃） |
| Stability: | Stable. Incompatible with oxidizing agents, aluminium, magnesium, strong bases, reducing agents. Light-sensitive. Reacts violently with many metals, ozone, potassium nitrate, potassium hydroxide, sodium hydroxide. |
| LogP | 2.53 at 20℃ |
| CAS DataBase Reference | 79-01-6(CAS DataBase Reference) |
| IARC | 1 (Vol. Sup 7, 63, 106) 2014 |
| NIST Chemistry Reference | Trichloroethylene(79-01-6) |
| EPA Substance Registry System | Trichloroethylene (79-01-6) |
Safety Information
| Hazard Codes | T,F |
| Risk Statements | 45-36/38-52/53-67-68-39/23/24/25-23/24/25-11 |
| Safety Statements | 53-45-61-36/37-16-7 |
| RIDADR | UN 1710 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | KX4550000 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29032200 |
| Hazardous Substances Data | 79-01-6(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 4.92 ml/kg; LC (4 hrs) in rats: 8000 ppm (Smyth) |
| IDLA | 1,000 ppm |
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