Description

Phenylboronic Acid CAS NO 98-80-6 is a versatile organoboron compound widely used as a key building block in organic synthesis and pharmaceutical manufacturing. Its primary value lies in its role as a crucial coupling partner in Suzuki-Miyaura cross-coupling reactions, enabling the efficient formation of carbon-carbon bonds. This makes it an indispensable reagent for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), including kinase inhibitors and other small molecule drugs.
• Suzuki-Miyaura Cross-Coupling: Serves as a fundamental boronic acid reagent for constructing biaryl and other complex molecular architectures in medicinal chemistry and material science.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides that require specific phenyl group introductions.
• Polymer & Material Science: Acts as a monomer or modifying agent in the development of specialty polymers, sensors, and organic electronic materials.
• Chemical Research & Development: Employed in academic and industrial R&D labs for novel organic transformations and catalyst development.
• Ligand for Catalysis: Can be utilized to form boronate esters that act as ligands in asymmetric catalysis.

Basic Information

Product Name	Phenylboronic Acid
CAS No.	98-80-6
Molecular Formula	C6H7BO2
Molecular Weight	121.93 g/mol
Synonyms	Benzeneboronic Acid; Phenylboric Acid; Boronic Acid, Phenyl-; B-Phenylboronic Acid; (Phenyl)boronic Acid; NSC 66400; PBA
EINECS	202-701-9

Quality Control

Our Phenylboronic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is light-sensitive (store away from light). Keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	214 - 218 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.