Description

1,3-Phenyldiboronic Acid, Bis(Pinacol) Ester is a high-purity, crystalline organoboron compound widely used as a key synthetic intermediate in cross-coupling reactions. This compound is valued for its stability and reactivity, enabling the efficient construction of complex aromatic and heterocyclic frameworks. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries developing advanced organic electronic materials and active pharmaceutical ingredients (APIs).

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A fundamental building block for creating biaryl and heterobiaryl structures central to drug discovery and material science.
• Pharmaceutical Intermediate: Synthesis of potential drug candidates, including kinase inhibitors and other small molecule therapeutics.
• Organic Electronic Materials: Production of monomers and polymers for Organic Light-Emitting Diodes (OLEDs), Organic Photovoltaics (OPVs), and Field-Effect Transistors (OFETs).
• Agrochemical Synthesis: Construction of novel active ingredients for crop protection products.
• Ligand and Catalyst Development: Serving as a precursor for sophisticated ligands used in homogeneous catalysis.
• Metal-Organic Frameworks (MOFs): Acting as a linker molecule in the design of porous materials for gas storage and separation.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D exploring new synthetic methodologies.

Basic Information

Product Name	1,3-Phenyldiboronic Acid, Bis(Pinacol) Ester
CAS No.	196212-27-8
Molecular Formula	C18H28B2O4
Molecular Weight	329.03 g/mol
Synonyms	1,3-Phenylenebis(boronic acid) bis(pinacol) ester; 1,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene; m-Phenylenebis(boronic acid pinacol ester); 1,3-Bis(pinacolatoboryl)benzene; m-Phenylene bis(boronate); 1,3-Di(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene; m-Phenylenediboronic acid bis(pinacol) ester; Benzene-1,3-diyldiboronic acid bis(2,3-dimethylbutane-2,3-diol) ester
EINECS	Contact for details

Quality Control

Our 1,3-Phenyldiboronic Acid, Bis(Pinacol) Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including NMR and HPLC to confirm identity and assay. Certificates of Analysis (COA) detailing purity, moisture content, and other critical parameters are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to maintain optimal purity and reactivity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
NMR Purity (1H NMR)	Conforms

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