4-(2-Naphthyl)phenylboronic acid

CAS: 918655-03-5

Category: Organic Intermediates

PurityResearch Grade ≥97%; High-Purity Grade ≥98%; HPLC Grade ≥99%
Molecular FormulaC16H13BO2
Molecular Weight248.09
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 prolonged 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, OLED host and emitter materials, liquid crystal compounds, organic semiconductors, specialty polymers, and other fine chemicals. Serves as an important aromatic building block in medicinal chemistry and advanced materials research.