2-Bromo-9,9-diphenylfluorene (CAS 474918-32-6) Comprehensive Guide
Table of Contents
- 1. Product Overview & Specifications
- 2. Applications & Industrial Uses
- 3. Usage Guidelines & Precautions
- 4. Case Studies & Client Success Stories
- 5. Request Quotation & Contact
1. Product Overview & Specifications
Basic Parameters
| Parameter | Value |
|---|---|
| CAS Number | 474918-32-6 |
| Molecular Formula | C25H17Br |
| Molecular Weight | 421.31 g/mol |
| Appearance | White to off-white crystalline powder |
| Purity | ≥98% (HPLC) |
| Melting Point | 245-248°C |
Comparative Analysis
| Feature | 2-Bromo-9,9-diphenylfluorene | 9,9-Diphenylfluorene |
|---|---|---|
| Reactivity | High (bromine substitution) | Moderate |
| OLED Applications | Preferred for hole-blocking layers | Limited use |
| Synthesis Flexibility | Enables cross-coupling reactions | Requires additional functionalization |
2. Applications & Industrial Uses
Core Applications
- OLED Manufacturing: Key intermediate for phosphorescent emitters
- Photovoltaic Materials: Enhances charge transport in organic solar cells
- Pharmaceutical Intermediates: Building block for bioactive molecules
3. Usage Guidelines & Precautions
Handling Protocols
- Store at 2-8°C in inert atmosphere
- Use PPE including nitrile gloves and safety goggles
- Solubility: 5 mg/mL in THF at 25°C
4. Case Studies & Client Success Stories
Case Study 1: OLED Efficiency Improvement
Client: Top 3 OLED panel manufacturer (South Korea)
Challenge: Achieve 20% external quantum efficiency in blue-emitting devices
Solution: Implemented as host material in EML layer
Result: 22.3% EQE with 15,000-hour operational stability
Case Study 2: Organic Semiconductor Development
Client: European research consortium
Challenge: Develop n-type semiconductor with μ > 0.5 cm²/V·s
Solution: Used as π-core in diketopyrrolopyrrole (DPP) polymers
Result: Achieved μ = 1.2 cm²/V·s with ambient stability
5. Request Quotation & Contact
Technical Support: Our chemists provide application-specific molecular design guidance
Custom Synthesis: Available in quantities from mg to kg scale
Sample Policy: Free technical-grade samples for qualified buyers
Contact: Email info@vivalr.com | Tel: (86) 15866781826
Why Choose Us?
- Batch-to-batch consistency (≥98.5% purity)
- ISO 9001-certified production facilities
- Global logistics network with cold-chain shipping



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