2-Biphenylboronic acid

CAS: 4688-76-0

Category: Organic Intermediates

PurityResearch Grade ≥97%; High-Purity Grade ≥98%; HPLC Grade ≥99%
Molecular FormulaC12H11BO2
Molecular Weight198.03
AppearanceWhite to off-white crystalline powder
Packaging1 g, 5 g, 10 g, 25 g, 100 g amber glass bottle or aluminum foil bag
Testing IndicatorsAppearance — Visual inspection; Identification — FTIR spectroscopy and 1H NMR, 13C NMR; Boron identification — 11B NMR; Molecular weight — LC-MS or HRMS; Purity — HPLC (UV); Melting point — Capillary melting point method; Water content — Karl Fischer titration (GB/T 6283); Residual solvents — GC (ICH Q3C); Elemental analysis — CHN analyzer.
Storage NotesStore in a tightly sealed container in a cool, dry, well-ventilated place. Protect from moisture, direct sunlight, and air exposure. For long-term storage, keep under nitrogen or argon at 2–8°C. Avoid repeated opening under humid conditions.
Lead Time10 days
Used as an arylboronic acid intermediate for Suzuki-Miyaura cross-coupling reactions. Widely employed in the synthesis of pharmaceutical intermediates, agrochemical intermediates, OLED materials, liquid crystal materials, fine chemicals, and functional aromatic compounds. Frequently used as a versatile building block in medicinal chemistry and organic synthesis.