2-Bromo-9,9-diphenylfluorene CAS 474918-32-6

Chemical Name: 2-Bromo-9,9-diphenylfluorene
CAS No.: 474918-32-6
Molecular Fomula: C25H17Br
Molecular weight: 397.31
Appearance: White Crystal powder

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2-Bromo-9,9-diphenylfluorene (CAS 474918-32-6) Comprehensive Guide

Table of Contents

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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