Description

4,4′-Biphenyldiboronic Acid (CAS No. 415108-00-8) is a high-purity boronic acid derivative with the molecular formula C₁₂H₁₂B₂O₄. This compound, also known by its IUPAC name [4-(4-boronophenyl)phenyl]boronic acid, is a versatile building block in organic synthesis and materials science. It features two boronic acid functional groups attached to a biphenyl scaffold, making it an excellent candidate for Suzuki-Miyaura cross-coupling reactions, a cornerstone of modern synthetic chemistry.

Our product is rigorously tested to ensure superior quality, with ≥95% purity confirmed by HPLC and NMR spectroscopy. It is supplied as a white to off-white crystalline powder, packaged under inert conditions to maintain stability. Ideal for researchers in pharmaceuticals, OLED materials, and polymer chemistry, this diboronic acid derivative is a critical reagent for constructing conjugated systems and advanced organic frameworks.

Key Synonyms: [1,1′-Biphenyl]-4,4′-diyldiboronic acid, 4,4′-Biphenyldiyldiboronic acid

Properties

• CAS Number: 415108-00-8
• Complexity: 220
• IUPAC Name: [4-(4-boronophenyl)phenyl]boronic acid
• InChI: InChI=1S/C12H12B2O4/c15-13(16)11-5-1-9(2-6-11)10-3-7-12(8-4-10)14(17)18/h1-8,15-18H
• InChI Key: SLHKDOGTVUCXKX-UHFFFAOYSA-N
• Exact Mass: 242.0921692
• Molecular Formula: C12H12B2O4
• Molecular Weight: 241.8
• SMILES: B(C1=CC=C(C=C1)C2=CC=C(C=C2)B(O)O)(O)O
• Topological: 80.9
• Monoisotopic Mass: 242.0921692
• Synonyms: 4,4′-BIPHENYLDIBORONIC ACID, 4151-80-8, [1,1′-Biphenyl]-4,4′-diyldiboronic acid, 4,4′-Biphenyldiyldiboronic acid, [4-(4-boronophenyl)phenyl]boronic acid, OS4M710QCG, 4,4′-Diphenylenebisboronic acid, UNII-OS4M710QCG, (4-(4-Boronophenyl)phenyl)boronic acid, (1,1′-Biphenyl)-4,4′-diyldiboronic acid, DTXSID40370390, {4-[4-(dihydroxyboranyl)phenyl]phenyl}boronic acid, (4-(4-(dihydroxyboranyl)phenyl)phenyl)boronic acid, DTXCID60321425, 670-287-0, MFCD00151795, BIPHENYL-4,4′-DIYLDIBORONIC ACID, CHEMBL109227, BIPHENYL-4,4′-DIBORONIC ACID, 4,4′-biphenyldiboric acid, 4,4′-Biphenyldiboronicacid, YSWG218, SCHEMBL806835, 4,4”-biphenyldiboronic acid, 4,4 inverted exclamation marka-Biphenyldiboronic acid, SLHKDOGTVUCXKX-UHFFFAOYSA-N, biphenyl-4,4”-diyldiboronic acid, 4,4”-Bis-dihydroxyboranyl-biphenyl, BBL100483, BDBM50067910, STL554277, AKOS005254429, AB03983, CS-W000928, DB02627, FB62322, GS-5812, PD007808, SY037884, [1,1′-Biphenyl]-4,4′-diyldiboronicacid, B2490, NS00073517, SR-01000883705, SR-01000883705-1, 4,4 inverted exclamation mark -Biphenyldiboronic Acid, Q17321243, [4′-(dihydroxyboranyl)-[1,1′-biphenyl]-4-yl]boronic acid, 415108-00-8

Application

4,4′-Biphenyldiboronic Acid is widely used in Suzuki-Miyaura cross-coupling reactions to synthesize biphenyl-based conjugated polymers for organic electronics. It serves as a key intermediate in the preparation of pharmaceutical compounds and liquid crystal materials. Researchers also employ it in metal-organic framework (MOF) construction due to its rigid biphenyl backbone and dual boronic acid functionality.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (83.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.