1-Bromo-3,5-diphenylbenzene CAS 103068-20-8

Chemical Name: 1-Bromo-3,5-diphenylbenzene
CAS No.: 103068-20-8
Molecular Fomula: C18H13Br
Molecular weight: 309.2
Appearance: White to almost white powder crystals
Assay: ≥99.0%

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1-Bromo-3,5-Diphenylbenzene (CAS 103068-20-8) Comprehensive User Guide

1. Product Specifications & Comparative Analysis

Parameter Specification Competitor A Competitor B
CAS Number 103068-20-8 103068-20-8 103068-20-8
Molecular Formula C18H13Br C18H13Br C18H13Br
Purity ≥98% ≥95% ≥97%
Packaging 5g/10g/25g/50g/100g 1g/5g/10g 5g/25g/100g
Storage -20°C, desiccated Room temperature 2-8°C

2. Key Applications & Industrial Uses

This brominated aromatic compound serves as:

  • Critical intermediate in pharmaceutical synthesis (e.g., kinase inhibitors)
  • Building block for OLED materials
  • Precursor for liquid crystal monomers
  • Cross-linking agent in polymer chemistry

3. Operational Best Practices

Handling Protocols:

  • Use fume hood with ≤0.5 m/s face velocity
  • Wear nitrile gloves (0.11mm minimum thickness)
  • Employ full-face respirator above 5mg/m³ concentrations

Storage Requirements:

  • Maintain inert atmosphere (Ar/N2)
  • Monitor humidity ≤30% RH
  • Segregate from strong oxidizers

4. Industry Application Scenarios

Pharmaceutical Development:

Used in 5-step synthesis of EGFR inhibitors, achieving 78% overall yield in cGMP production.

Materials Science:

Key component in blue-emitting OLED stacks with 15% external quantum efficiency.

5. Client Success Stories

Case 1: Shanghai Research Institute

Accelerated drug discovery timeline by 40% through improved reaction kinetics in lead optimization.

Case 2: Henan Materials Corp

Enhanced OLED device lifetime from 1,200hrs to 2,500hrs using optimized purification techniques.

6. Technical Consultation

Request custom synthesis protocols or bulk pricing:

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