CAS 79-01-6 Trichloroethylene (TCE) is slightly soluble in water, with a solubility of approximately 1.1 g/L at 25°C.
Because of its low solubility, trichloroethylene liquid is classified as a Dense Nonaqueous Phase Liquid (DNAPL), meaning that when it spills, it does not fully dissolve and tends to sink to the bottom of aquifers or groundwater sources.
Key Facts About TCE Water Solubility:
- Solubility Level: Approximately 1.1 to 1.28 g/L (or 1,100–1,280 mg/L) at 25°C.
- TCE in Water: It is volatile and "slightly soluble," meaning it can mix with water to a small extent but largely remains as a separate phase that sinks.
- Solubility in Other Liquids: Trichloroethylene is highly soluble in organic solvents, such as ethanol, acetone, and ether.
Why is the low water solubility of TCE important?
1. Facilitates Oil Removal
Trichloroethylene (TCE) has low water solubility and is not easily miscible with water, thus effectively removing hydrophobic contaminants from surfaces and possessing a stronger ability to dissolve various oils and greases.
2. Phase Separation Advantage
TCE forms an independent liquid layer during use. This clear phase separation makes solvent separation and recovery after cleaning easier and prevents cross-contamination.
3. Highly Efficient Steam Degreasing
Its low water solubility helps maintain the purity and stability of the solvent throughout the steam degreasing process.
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CAS 79-01-6 Trichloroethylene TCE Solvent Supplier
Compare with Other Solvents
| Trichloroethylene | Acetone | Ethyl Acetate | |
|---|---|---|---|
| Chemical Formula | C₂HCl₃ | C₃H₆O | C₄H₈O₂ |
| Molecular Weight (g/mol) | 131.39 | 58.08 | 88.11 |
| Boiling Point (°C) | 86.7 | 56.0 | 77.1 |
| Density (g/cm³, 20°C) | 1.46 | 0.79 | 0.90 |
| Vapor Pressure (kPa, 20°C) | 7.8 | 24.0 | 9.7 |
| Water Solubility (g/L, 25°C) | 1.1 | Miscible | 83 |
| Flash Point (°C) | Non-flammable | -20 | -4 |
| Toxicity Level | High | Low | Low |
| Typical Purity (%) | ≥99.9 | ≥99.5 | ≥99.5 |
FAQ
1. What is TCE mainly used for?
It is mainly used for metal degreasing, vapor cleaning, and chemical production.
2. Is Trichloroethylene flammable?
No, it is generally considered non-flammable.
3. Why is TCE considered a strong solvent?
Because of its high KB value and ability to dissolve heavy oils and grease.
4. Is TCE still used today?
Yes, but under strict regulations and safety controls.
5. Can Trichloroethylene TCE be replaced?
Yes, alternatives exist, but they may not match its cleaning efficiency.
6. How can I place an order or request a quote?
You can email us for a quote, including the required purity, quantity, port of destination, packaging preferences, etc.
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As a leading manufacturer and exporter of fine chemicals, Henan Gneebio provides high-quality industrial chemicals. We supply to customers across the chemical, pharmaceutical, and materials industries, ensuring consistent quality, reliable logistics, and professional technical support.
Our chemical products hold international certifications (REACH, ISO, FMQS, HALAL) for global quality recognitio. We have warehouses in coreports such as Qingdao, Tianiin, and Shanghai, with a 15-day express delivery service.
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Gneebio Product Packaging
| Packaging Type | Net Weight |
|---|---|
| Steel Drum | 250 kg |
| IBC Tank | 1250 kg |
| ISO Tank | Bulk shipment |
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