Tetrachloroethylene (Perchloroethylene, PCE / PERC), CAS 127-18-4, colorless non-flammable chlorinated solvent. We supply Dry Cleaning Grade 99.9% and Catalyst Grade 99.99% (Isoform Isomerization Grade). It is CMR substance with strict environmental & exposure control. TNJ Chemical is the leading supplier and exporter since from 2001. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. Please note that the chemicals are just for legal end-use purpose. To find more, please contact sales@tnjchem.com
Product Information
CAS No.: 127-18-4
EC No.: 204-825-9
Formula: C₂Cl₄
Molecular Weight: 165.83
Synonyms: Perchloroethylene, PER, PERC, Tetrachloroethene
Grade: Dry Cleaning Grade / Catalyst Grade (Isoform Isomerization Grade)
Chemphysical Properties
Appearance: Colorless clear liquid
Boiling point: 121.1–121.2 ℃
Density (20℃): 1.618–1.628 g/cm³
Solubility: Slightly soluble in water, miscible with most organic solvents
Flash point: Non-flammable
Specification
| Item | Dry Cleaning Grade | Catalyst Grade |
|---|---|---|
| Assay | ≥99.90% | ≥99.99% |
| Color, Pt-Co | ≤15 | ≤10 |
| Moisture | ≤50 ppm | ≤30 ppm |
| Non Volatile Matter | ≤10 ppm | ≤10 ppm |
| pH | 8.0–9.0 | 6.0–7.5 |
| Alkalinity as NaOH | ≤30 ppm | — |
| Stabilizers | Added | ≤5 ppm |
| Oxygen & Nitrogen compounds | — | ≤10 ppm |
| Chlorine | — | ≤1 ppm |
| Free Chlorine | Pass test | Pass test |
Application
Dry Cleaning Grade: Main solvent for textile dry cleaning, also for metal vapor degreasing. Contains stabilizer to avoid decomposition during circulation & reuse.
Catalyst Grade (Isoform Isomerization Grade): Ultra-low impurities for petroleum isomerization reforming process, refrigerant intermediate synthesis, sensitive catalytic reaction systems. No extra stabilizer.
Packaging & Storage
Pack: 250kg / 300kg iron drum
Storage: Cool, ventilated warehouse, sealed, separate from oxidants. Hazardous goods transport (UN 1897, Class 6.1).
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