Overview
Tetrachloroethylene (CAS 127-18-4 ), commonly known as perc or PCE, is a chlorinated solvent used across industrial cleaning, degreasing, and chemical processing operations.
Its high solvency power and chemical stability make it a preferred carrier and process solvent where aqueous alternatives are impractical for specific manufacturing workflows.
In textile finishing and fabric care, perc is the dominant solvent in commercial dry-cleaning operations, effectively removing oils, greases, and soils without damaging delicate fibers.
Leather processing facilities use it for degreasing hides prior to tanning, ensuring uniform dye uptake and surface quality across the entire production batch of materials.
In the plastics and polymers sector, PCE functions as a reaction medium and carrier solvent in the production of fluoropolymers, particularly as a precursor in synthesis.
Printing and packaging operations use it as a cleaning solvent for press components and as a degreasing agent for metal substrates ahead of coating or lamination processes.
Tetrachloroethylene is supplied as a clear liquid in bulk tankers, ISO containers, and drums. Technical grade is the standard commercial specification for industrial solvent applications.
Stabilized grades are available for applications requiring extended shelf life and compatibility with sensitive process equipment used in high-precision chemical manufacturing.
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Physical Properties
| Melting Point | -22.3 °C |
| Boiling Point | 121.3 °C |
| Density | 1.6227 g/cm³ @ Temp: 20 °C |
| Flash Point | 120-121°C |
| Appearance | Tetrachloroethylene is a clear, colorless, nonflammable liquid with a characteristic odor. The odor is noticeable @ 47 ppm, though after a short period it may become inconspicuous, thereby becoming an unreliable warning signal. The Odor Threshold is variously given as 5 ppm to 6.17 (3M). |
| Color | APHA: ≤10 |
| Odor | chloroform-like odor |
| Form | Liquid |
| Water Solubility | Miscible with alcohol, ether, chloroform, benzene and hexane. Slightly miscible with water. |
| Vapor Pressure | 13 mm Hg ( 20 °C) |
| Refractive Index | n 20/D 1.505(lit.) |
| Log P | 2.53 at 20℃ |
Safety & Handling
Warning GHS08 GHS09 GHS07 GHS05 Hazard Statements H305 May be harmful if swallowed and enters airways H313 May be harmful in contact with skin H314 Causes severe skin burns and eye damage H315 Causes skin irritation H317 May cause an allergic skin reaction H319 Causes serious eye irritation H320 Causes eye irritation H332 Harmful if inhaled H336 May cause drowsiness or dizziness H350 May cause cancer H351 Suspected of causing cancer H361 Suspected of damaging fertility or the unborn child H362 May cause harm to breast-fed children H370 Causes damage to organs H372 Causes damage to organs through prolonged or repeated exposure H373 May causes damage to organs through prolonged or repeated exposure H401 Toxic to aquatic life H411 Toxic to aquatic life with long lasting effects Precautionary Statements P203 Obtain, consult and follow expert instructions for use. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P263 Avoid contact during pregnancy and while nursing. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P316 Get emergency medical help immediately. P317 Get emergency medical help. P318 IF exposed or concerned, get medical advice. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P331 Do NOT induce vomiting. P363 Wash contaminated clothing before reuse. P391 Collect spillage. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P316 Get emergency medical help immediately. P302+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P308+P316 Get emergency medical help immediately. P332+P317 Get emergency medical help. P333+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P301+P330+P331 Rinse mouth. Do NOT induce vomiting. P302+P361+P354 IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29032300 |
| UN Number | 1897 |
| ADR Class | 6.1 |
| Packing Group | III |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 127-18-4
- EC Number
- 204-825-9
- Mol. Weight
- 165.8
- HS Code
- 29032300
- Category
- Solvents