Home › Chemicals › Trichloroethylene CAS 79-01-6: Trichloroethylene (C2HCl3) Identity CAS Number 79-01-6 Molecular Formula C2HCl3 IUPAC Name trichloroethene Molecular Weight 131.39 g/mol SMILES C(=C(Cl)Cl)ClSynonyms TCE, trichloroethylene, trichloroethene, 1,1,2-trichloroethylene
2D Structure
Physical Properties Density 1.464 g/mL at 25°C Boiling Point 87.2°C Melting Point -86.0°C Flash Point None°C Vapor Pressure 7.8 kPa at 20°C Refractive Index nD = 1.477 Dielectric Constant ε = 3.42
Safety & GHS Classification Irritant Health Hazard GHS09
H315: Causes skin irritation H319: Causes serious eye irritation H336: May cause drowsiness or dizziness H341: Suspected of causing genetic defects H350: May cause cancer H412: Harmful to aquatic life with long lasting effects Storage: Store in cool, well-ventilated area. Light-sensitive — store in amber glass. Decomposes to phosgene and HCl upon UV exposure. Keep away from strong oxidizers and active metals. Use in fume hood.
Material Compatibility Matrix Plastics Material Rating PTFE Excellent PVC Poor PE Poor PP Fair PEEK Excellent PVDF Good
Rubbers Material Rating Viton Excellent NBR Poor EPDM Good Silicone Good FKM Excellent
Metals Material Rating Stainless 316 Excellent Aluminum Excellent Copper Excellent Brass Excellent
Applications Metal degreasing solvent (vapor degreasing) Dry cleaning solvent (historical) Extraction solvent for caffeine and oils Adhesive solvent Textile processing solvent Refrigerant manufacturing intermediate Laboratory extraction solvent External References: PubChem
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