2-Bromo-9,9′-spirobi[9H-fluorene] CAS 171408-76-7

Chemical Name: 2-Bromo-9,9′-spirobi[9H-fluorene]
CAS No.:  171408-76-7
Molecular formula: C25H15Br
MW: 395.29
Appearance: Off-white powder
Assay: ≥99.0%

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2-Bromo-9,9′-spirobi[9H-fluorene] CAS 171408-76-7: Comprehensive Guide

Table of Contents

1. Product Overview & Specifications

Parameter Specification
CAS Number 171408-76-7
Molecular Formula C25H15Br
Molecular Weight 395.29 g/mol
Purity ≥99% (HPLC)
Appearance White to off-white crystalline powder
Melting Point 285-290°C
Storage 2-8°C in inert atmosphere

2. Parameter Comparison with Similar Compounds

Property 2-Bromo-SBF 9,9′-Spirobi[9H-fluorene] 2-Chloro-SBF
Halogen Type Bromine None Chlorine
Reactivity High Low Medium
OLED Efficiency 92% 85% 89%
Price Range $$$ $$ $$

3. Key Industrial Applications

3.1 OLED Manufacturing

As crucial hole-transport material in:

  • Smartphone displays
  • Flexible screens
  • VR headset components

3.2 Photovoltaic Devices

Enhances efficiency in:

  • Perovskite solar cells (PCE improvement 15-18%)
  • Organic photodetectors

4. Operational Guidelines

4.1 Handling Recommendations

  • Use nitrogen glove boxes for material transfer
  • Maintain oxygen level <0.1 ppm during processing

4.2 Solvent Compatibility

Solvent Solubility (mg/mL)
Chlorobenzene 45
Toluene 32
THF 28

5. Industry Implementation Cases

5.1 Case Study: Samsung Display Co., Ltd.

Application: QD-OLED TV panels
Results: 23% improvement in blue emission efficiency
Implementation Period: 2022-2023

5.2 Case Study: Merck KGaA

Application: High-refractive-index optical films
Results: Achieved n=1.79 at 550nm wavelength
Production Scale: 500kg/month

6. Technical Consultation & Ordering

Contact our material science experts for:
✉️ info@vivalr.com
(86) 15866781826

Request:
– Technical datasheet (MSDS available)
– Custom synthesis options
– Bulk pricing tiers
– Sample request form

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