Description

Benzeneboronic Acid (Phenylboronic Acid) is a versatile organoboron compound with the molecular formula C₆H₇BO₂ (CAS No. 98-80-6). This white to off-white crystalline solid is widely used in organic synthesis, pharmaceuticals, and materials science due to its reactivity as a boronic acid derivative. It serves as a critical building block in Suzuki-Miyaura cross-coupling reactions, enabling the formation of carbon-carbon bonds for advanced chemical synthesis. With a purity of ≥97% (HPLC), our high-quality Benzeneboronic Acid is rigorously tested for consistency, ensuring optimal performance in research and industrial applications. It is soluble in common organic solvents like ethanol, methanol, and DMSO, but exhibits limited solubility in water. Store in a cool, dry place under inert conditions to maintain stability.

Properties

• CAS Number: 98-80-6
• Complexity: 79.1
• IUPAC Name: phenylboronic acid
• InChI: InChI=1S/C6H7BO2/c8-7(9)6-4-2-1-3-5-6/h1-5,8-9H
• InChI Key: HXITXNWTGFUOAU-UHFFFAOYSA-N
• Exact Mass: 122.0539096
• Molecular Formula: C6H7BO2
• Molecular Weight: 121.93
• SMILES: B(C1=CC=CC=C1)(O)O
• Topological: 40.5
• Monoisotopic Mass: 122.0539096
• Physical Description: Solid; White to off-white hygroscopic solid;
• Vapor Pressure: 0.00000856 [mmHg]
• Synonyms: Phenylboronic acid, 98-80-6, Benzeneboronic acid, Boronic acid, phenyl-, Phenylboric acid, Dihydroxyphenylborane, PHENYL BORONIC ACID, Phenyldihydroxyborane, Borophenylic acid, Dihydroxy(phenyl)borane, Boric acid, phenyl-, USAF BO-2, Acide phenylborique, Kyselina fenylborita, phenylboranediol, Acide phenylborique [French], Kyselina fenylborita [Czech], Phenylboron dihydroxide, EINECS 202-701-9, NSC 66487, BRN 0970972, CHEBI:44923, AI3-18036, L12H7B02G5, T-500, Boronic acid, B-phenyl-, NSC-66487, BENZENEBORONIC ACID [MI], DTXSID9059179, 4-16-00-01654 (Beilstein Handbook Reference), Boric acid, phenyl, boronic acid, phenyl, Boronic acid, Bphenyl, DTXCID6049062, 202-701-9, inchi=1/c6h7bo2/c8-7(9)6-4-2-1-3-5-6/h1-5,8-9, Phenylboronicacid, MFCD00002103, phenyl-boronic acid, PhB(OH)2, CHEMBL21485, Phenylboronic Acid (95%), MFCD02093711, C6H7BO2, Phenylboronic acid (contains varying amounts of Anhydride), UNII-L12H7B02G5, penylboronic acid, phenyboronic acid, benzenboronic acid, phenyl boronicacid, B-Phenylboronic Acid; Dihydroxyphenylborane; NSC 66487; Phenylboric Acid; Phenylboronic Acid; Phenyldihydroxyborane, benzene boronic acid, benzene-boronic acid, phenyl boronoic acid, dihydroxy-phenylborane, dihydroxyphenyl borane, B-phenyl-boronic acid, Phenylboronic acid, 22, WLN: QBQR, Phenylboronic acid, 95%, Ph-B(OH)2, SCHEMBL4453, C6H5B(OH)2, SCHEMBL3933975, SCHEMBL4103716, SCHEMBL4626558, BDBM26996, HMS3604B07, HMS3745G03, BCP22775, BCP30011, NSC66487, GEO-02109, STK891157, AKOS000264727, AC-1888, AS-2259, CS-W001090, DB01795, FP05680, HY-W001090, NCGC00249450-01, Phenylboronic acid;Phenylboron dihydroxide, SY001599, SY257095, B-(Phenyl-2,3,4,5,6-d5)boronic acid, DB-009795, B0857, NS00022921, ST45046844, 2,3,4,5,6-pentadeuteriumbenzeneboronic acid, EN300-35190, Phenyl-d5-boronic acid;Phenylboronic acid-d5, Phenylboronic acid, purum, >=97.0% (HPLC), Q408739, F3146-0086, Z111782400

Benzeneboronic Acid is extensively used as a key reagent in Suzuki-Miyaura cross-coupling reactions for biaryl synthesis in pharmaceutical and agrochemical research. It acts as a precursor in the production of boron-containing polymers and sensors, leveraging its affinity for diols in saccharide recognition. In medicinal chemistry, it facilitates the development of enzyme inhibitors and proteasome-targeting drugs. Additionally, it finds applications in material science for creating self-assembled monolayers (SAMs) and functionalized surfaces.

Safety and Hazards

GHS Hazard Statements

• H302 (96.6%): Harmful if swallowed [Warning Acute toxicity, oral]

Precautionary Statements

• P264, P270, P301+P317, P330, and P501

Hazard Classes and Categories

• Acute Tox. 4 (96.6%)

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