Description

4-Fluorophenylboronic Acid (CAS No. 1765-93-1) is a high-purity boronic acid derivative with the molecular formula C₆H₆BFO₂, widely utilized in organic synthesis and pharmaceutical research. This compound, also known as (4-fluorophenyl)boronic acid, features a fluorinated phenyl group attached to a boronic acid moiety, making it a versatile building block for Suzuki-Miyaura cross-coupling reactions. Its high reactivity and stability under various conditions ensure excellent yields in the formation of carbon-carbon bonds. Ideal for researchers and scientists, our product is rigorously tested for purity (typically ≥97% by HPLC) and is supplied as a white to off-white crystalline powder. Store in a cool, dry place under inert conditions to maintain optimal stability.

Properties

• CAS Number: 1765-93-1
• Complexity: 102
• IUPAC Name: (4-fluorophenyl)boronic acid
• InChI: InChI=1S/C6H6BFO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4,9-10H
• InChI Key: LBUNNMJLXWQQBY-UHFFFAOYSA-N
• Exact Mass: 140.0444878
• Molecular Formula: C6H6BFO2
• Molecular Weight: 139.92
• SMILES: B(C1=CC=C(C=C1)F)(O)O
• Topological: 40.5
• Monoisotopic Mass: 140.0444878
• Synonyms: 4-Fluorophenylboronic acid, 1765-93-1, (4-fluorophenyl)boronic acid, p-fluorophenylboronic acid, BORONIC ACID, B-(4-FLUOROPHENYL)-, (4-FLUOROPHENYL)DIHYDROXYBORON, F9BF8EKZ8R, p-fluorobenzeneboronic acid, (4-fluorophenyl)dihydroxyborane, CHEBI:48661, P-FLUOROBENZYLBORONIC ACID, NSC-142683, DTXSID10301378, BENZENEBORONIC ACID, P-FLUORO-, B-(4-FLUOROPHENYL)BORONIC ACID, DTXCID50252512, 605-778-0, 4-Fluorobenzeneboronic acid, (4-fluorophenyl)boranediol, 4-Fluorophenyl boronic acid, MFCD00039136, 4-Fluoro Phenyl Boronic Acid, CHEMBL344890, 4-Fluorobenzeneboronic acid;4-Fluorophenylboronic acid, (4-fluoro-phenyl)-boronic acid, [4-fluoro-phenyl]-boronic acid, Boronic acid, (4-fluorophenyl)-, 4-fluorophenylboronicacid, 4-fluoro phenylboronic acid, 4-fluorobenzene boronic acid, (4-fluorophenyl) boronic acid, 4-Fluorophenylboronic acid(contains varying amounts of Anhydride), p-fluorphenylboronic acid, 4-fluorophenyboronic acid, UNII-F9BF8EKZ8R, 4-flourophenylboronic acid, 4-fluorobenzenboronic acid, 4-florophenyl boronic acid, 4-fluorphenyl boronic acid, 4-flourobenzeneboronic acid, 4-FPBA, p-fluorophenyl boronic acid, p-fluorophenyl-boronic acid, 4-fluoro-phenylboronic acid, 4-fluorophenyl-boronic acid, SCHEMBL5508, para-fluorophenylboronic acid, 4-fluoro benzeneboronic acid, 4-fluoro-benzeneboronic acid, p-fluoro phenyl boronic acid, p-fluoro-phenyl-boronic acid, 4-fluoro -phenylboronic acid, 4-fluoro phenyl-boronic acid, 4-fluoro-phenyl boronic acid, 4-fluoro-phenyl-boronic acid, 4-Fluorophenylboronic acid #, para-fluorobenzeneboronic acid, para-fluorophenyl boronic acid, 4-fluoro-benzene boronic acid, 4-fluoro-benzene-boronic acid, (4-fluorophenyl)-boronic acid, BDBM26128, B-(4-fluorophenyl)-boronic acid, (4-fluoro-phenyl)-dihydroxy-borane, ALBB-006109, BCP26929, CS-D1103, HY-I0201, NSC142683, SBB048067, STK500660, AKOS000264730, AB01761, AS-2332, BCP9000162, FF03381, NSC 142683, PB47418, NCGC00249563-01, AC-10412, PD182178, SY004349, DB-031704, F0361, EN300-51400, Q27121310, F9995-0989, Z381540956, p-Fluorobenzylboronic acid, p-Fluorophenylboronic acid, NSC 142683

Application

4-Fluorophenylboronic acid is extensively used in pharmaceutical intermediates and agrochemical synthesis due to its role in Suzuki-Miyaura cross-coupling reactions. It serves as a key precursor in the development of fluorinated aromatic compounds, which are critical in drug discovery and material science. Researchers also employ it in the synthesis of sensors and organic electronic materials owing to its stable boronic acid functionality.

Safety and Hazards

GHS Hazard Statements

• H302 (86.8%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (98.1%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (98.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (96.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (86.8%)
• Skin Irrit. 2 (98.1%)
• Eye Irrit. 2 (98.1%)
• STOT SE 3 (96.2%)

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