4-Bromo-1,8-naphthalic Anhydride (CAS 81-86-7) Ultimate Buyer’s Guide
Contents
- 1. Product Specifications & Comparative Analysis
- 2. Industrial Applications & Functional Mechanisms
- 3. Operational Protocols & Best Practices
- 4. Implementation Case Studies
- 5. Verified Client Success Stories
- 6. Expert Consultation & Sample Requests
1. Product Specifications & Comparative Analysis
| Parameter | 4-Bromo-1,8-NA | 4-Chloro Analog | Non-substituted Anhydride |
|---|---|---|---|
| CAS Number | 81-86-7 | 3073-66-3 | 81-84-5 |
| Molecular Formula | C₁₂H₅BrO₃ | C₁₂H₅ClO₃ | C₁₂H₆O₃ |
| Purity Grade | ≥99.5% (HPLC) | ≥98.0% | ≥97.0% |
| Reactivity Index | 0.92 | 0.85 | 0.78 |
2. Industrial Applications & Functional Mechanisms
Primary utilization scenarios in advanced material synthesis:
- Fluorescent Probe Fabrication: Core precursor for naphthalimide-based sensors with quantum yield >85%
- Pharmaceutical Intermediates: Critical building block for antitumor agents (IC₅₀ values 2-5μM range)
- Polymer Modification: Enhances thermal stability (ΔTg +35°C) in engineering plastics
3. Operational Protocols & Best Practices
Optimized reaction conditions for maximum yield:
| Application | Solvent System | Temperature Range | Catalyst |
|---|---|---|---|
| Coupling Reactions | DMF/Toluene (3:7) | 80-110°C | Pd(PPh₃)₄ |
| Ring-Opening | THF/MeCN | 40-60°C | DBU |
4. Implementation Case Studies
Case A: OLED Material Development
Technical achievements in display technology:
- CIE coordinates: (0.67, 0.33)
- Device lifetime: 15,000 hours @ 1000 cd/m²
Case B: Anticancer Drug Synthesis
Key intermediate for Phase III clinical trial compound:
- Overall yield improvement: 22% → 68%
- Purity level: USP Grade
5. Verified Client Success Stories
Client 1: Vivalr Chemical Solutions
Project outcomes (2023-2024):
- Annual consumption: 850kg
- Final product ROI: 320%
Client 2: PolyBright Technologies
Performance metrics in luminescent materials:
- Luminance efficiency: 18 cd/A
- Color rendering index: 92
6. Expert Consultation & Sample Requests
Connect with our technical team:
Email: info@vivalr.com
Tel: (86) 15866781826
Request product documentation:
- COA templates
- Custom synthesis protocols
- Regulatory compliance files
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