1,1,2,2-Tetrachloroethane CAS 79-34-5
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Chemical Name: 1,1,2,2-Tetrachloroethane
Other Name: Tetrachlorethane
CAS No.: 79-34-5
Molecular Formula: C2H2Cl4
Molecular Weight: 167.85
Appearance: Liquid
1,1,2,2-Tetrachloroethane (CAS 79-34-5): Comprehensive User Guide
Table of Contents
1. Basic Information and Specifications
1,1,2,2-Tetrachloroethane (CAS 79-34-5) is a chlorinated hydrocarbon with the molecular formula C2H2Cl4. Key parameters:
| Parameter | Value | Comparison with CCl4 |
|---|---|---|
| Boiling Point | 146°C | Higher than CCl4 (76°C) |
| Density | 1.59 g/cm³ | Similar to CCl4 |
| Solubility | Low in water, high in organics | Better than CHCl3 |
2. Detailed Applications
2.1 Industrial Solvent
Widely used for dissolving resins, oils, and waxes in:
- Pharmaceutical synthesis
- Electronics cleaning
- Paint stripping
2.2 Chemical Intermediate
Critical in producing:
- Chlorofluorocarbons (CFCs)
- Trichloroethylene
3. Industry Use Cases
3.1 Electronics Manufacturing
Challenge: Remove flux residues from high-density PCBs without damaging components.
Solution: Used as primary cleaner in ultrasonic systems at 50°C.
Result: 99.7% residue removal vs 92% with acetone alternatives.
4. Client Success Stories
4.1 ABC Pharmaceuticals (Guangzhou)
Project: Synthesis of antiviral drug intermediates
Usage: 2,000L/month in reaction medium
Outcome: 18% yield improvement vs previous solvents
4.2 XYZ Materials Corp
Application: Aerospace composite production
Consumption: 5 tons/quarter
Benefit: Reduced curing time by 40%
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