Chemical Intermediates

1. General Information

• Chemical Name: [1,1′-Biphenyl]-3-ylboronic acid
• Synonyms:
  • Biphenyl-3-boronic acid
  • 3-Biphenylboronic acid
• CAS No.: 5122-95-2
• Molecular Formula: C₁₂H₁₁BO₂
• Molecular Weight: 198.03 g/mol
• Appearance: White to off-white crystalline powder
• Purity (Assay): ≥99% (HPLC)

2. Physicochemical Properties

• Melting Point: ~210-215°C (dec.)
• Solubility:
  • Water: Slightly soluble (~2-5 g/L at 25°C)
  • Organic Solvents: Soluble in methanol, ethanol, THF, DMF, and DMSO
• Storage Conditions:
  • Store at 2-8°C under inert atmosphere (N₂/Ar)
  • Protect from moisture and light

3. Applications

• Pharmaceuticals: Intermediate for Suzuki coupling in API synthesis
• OLED Materials: Key precursor for light-emitting layer fabrication
• Agrochemicals: Building block for advanced pesticide development

4. Supply & Packaging

• Minimum Order: 1 g (R&D use)
• Bulk Capacity: 50 metric tons/year
• Standard Packaging:
  • 1 g, 5 g (amber glass vials)
  • 25 kg (fiber drums with double PE liners)

5. Quality Standards

• Specification: Enterprise export grade (ISO-compliant)
• Impurity Profile:
  • Heavy metals (Pb, Cd, As, Hg): <10 ppm
  • Residual solvents (GC): Meets ICH Q3C limits

6. Manufacturer & Compliance

• Manufacturer: Jinan Finer Chemical Co., Ltd. (China)

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