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Tetrachloroethylene CAS#127-18-4
CAS Number: 127-18-4
Chemical Formula: C2Cl4
Synonyms:
Tetrachloroethylene, 99+%, for HPLC
TETRACHLOROETHYLENE EMPLURA 190 LB
TETRACHLOROETHYLENE EMPLURA 25 L
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: Colorless transperant liquid
Tetrachloroethylene CAS#127-18-4
Perchloroethylene (Tetrachloroethylene) is a colourless liquid with a slightly ethereal odour. It is marginally soluble in water and soluble in most organic solvents.Perchloroethylene has a limited number of uses and applications. It is used as intermediate, as dry cleaning agent in the industrial and professional sector, as surface cleaning agent in industrial settings, as heat transfer medium in industrial settings, and in film cleaning and copying by professionals. It is also used as a chemical intermediate in the production of fluorinated compounds and in industrial surface cleaning metal degreasing. Occupational exposure to perchloroethylene is possible in the manufacturing facilities or the industrial facilities where it is used as an intermediate.
| 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 | n |
| 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) |
| Dielectric constant | 2.5（21℃） |
| Exposure limits | TLV-TWA 50 ppm (～325 mg/m3) (ACGIH), 100 ppm (MSHA and OSHA); TLV-STEL 200 ppm (ACGIH); carcinogenicity: Animal Limited Evidence. |
| 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) |
| ECETOC JACC REPORT | 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 |
Product Application of Tetrachloroethylene CAS#127-18-4
Tetrachloroethylene (PCE) is also known as perchloroethylene, tetrachloroethene, and 1,1,2,2- tetrachloroethene and is also commonly abbreviated to PER or PERC. Tetrachloroethylene is a volatile, chlorinated organic hydrocarbon that is widely used as a solvent in the dry-cleaning and textile-processing industries and as an agent for degreasing metal parts. It is an environmental contaminant that has been detected in the air, groundwater, surface waters, and soil (NRC, 2010).
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