| Customization: | Available |
|---|---|
| CAS No.: | 127-18-4 |
| Formula: | C2cl4 |
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| Name | Tetrachloroethylene |
| Synonyms | 1,1,2,2-Tetrachloroethylene; Perchloroethylene |
| Molecular Structure | |
| Molecular Formula | C2Cl4 |
| Molecular Weight | 165.83 |
| CAS Registry Number | 127-18-4 |
| EINECS | 204-825-9 |
| Density | 1.625 |
|---|---|
| Melting point | -22 ºC |
| Boiling point | 120-122 ºC |
| Refractive index | 1.505 |
A colorless, transparent liquid with an odor similar to ether. It can dissolve many substances (such as rubber, resin, fat, AICl3, S, I2, HgCI2). Not flammable. Sexual stability. When there is no air, moisture and catalyst, it is heated to 500 ° C and is still stable. Resistance to hydrolysis. The relative density (d20) is 1.6227. Boiling 121ºC. The freezing point is about -22.oºC. Refractive index (n~0) 1.50547. No flash point. It is miscible with ethanol, ether, and benzene. Dissolved in about 10,000 times the volume of water. It is decomposed into phosgene in the presence of light, water and oxygen for a long time and is corrosive to metals. Generally, amines or derivatives of (10 ~ 500)× 10-6 are added as anti-decomposition agents.
In industry, tetrachloroethylene is mainly used as solvent, organic synthesis, metal surface cleaner and dry cleaning agent, desulfurizer, heat transfer medium. Used medically as a dewormer. It is also an intermediate for making and fluorinated organics. The general population may be exposed to low concentrations of tetrachloroethylene through the atmosphere, food and drinking water. Tetrachloroethylene has good solubility for many inorganic and organic compounds, such as sulfur, iodine, chloride, aluminum trichloride, fat, rubber and resin, etc. This solubility is widely used as metal degreasing cleaning agent, paint remover, dry cleaning agent, rubber solvent, ink solvent, liquid soap, high-grade fur and feather degreasing; Tetrachloroethylene is also used as an insect repellent (hookworm and ginger tablet); Finishing agent for textile processing.
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