P-Diethylbenzene (PDEB) CAS 105-05-5: Comprehensive Product Guide
Table of Contents
- 1. Product Overview & Specifications
- 2. Key Applications & Industry Uses
- 3. PDEB vs. Competing Solvents: Performance Comparison
- 4. Operational Guidelines & Best Practices
- 5. Real-World Case Studies
- 6. Technical Support & Inquiry
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | Para-Diethylbenzene (PDEB) |
| CAS Number | 105-05-5 |
| Molecular Formula | C10H14 |
| Purity Grade | ≥99.5% (Industrial Grade) |
| Boiling Point | 183-185°C |
| Flash Point | 62°C (closed cup) |
2. Key Applications & Industry Uses
Primary Industrial Applications:
- Polymer Industry: High-efficiency solvent for polystyrene and specialty resins
- Pharmaceuticals: Intermediate in synthesis of antihistamines and CNS drugs
- Electronics Manufacturing: Cleaning agent for semiconductor components
- Agrochemicals: Carrier solvent for pesticide formulations
3. PDEB vs. Competing Solvents: Performance Comparison
| Property | PDEB | Toluene | Xylene |
|---|---|---|---|
| Evaporation Rate | 0.45 (Butyl acetate=1) | 1.95 | 0.78 |
| Surface Tension | 29.5 mN/m | 28.4 mN/m | 30.1 mN/m |
| OD Threshold | 0.05 ppm | 2.9 ppm | 0.8 ppm |
4. Operational Guidelines & Best Practices
Storage Recommendations:
- Maintain inert atmosphere (N2 blanketing)
- Store below 30°C in galvanized steel containers
Safety Protocols:
- Use NIOSH-approved respirators above 50 ppm
- Ground all equipment to prevent static discharge
5. Real-World Case Studies
Case Study 1: Polymer Additive Manufacturer (Germany)
- Challenge: Residual monomer content >300 ppm in PS production
- Solution: Implemented PDEB-based purification system
- Result: Reduced residuals to <50 ppm, increased yield 12%
Case Study 2: Electronics Cleaner Producer (Japan)
- Challenge: Post-cleaning residue on wafer surfaces
- Solution: PDEB-based azeotropic mixture formulation
- Result: Achieved Class 1 cleanroom standards
6. Technical Support & Inquiry
Contact our chemical engineering specialists for:
- Custom formulation services
- Bulk pricing (20MT+ quantities)
- Regulatory compliance documentation
Email: info@vivalr.com
Tel: (86) 15866781826



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