Description

Diphenylborinic Anhydride is a versatile organoboron compound that serves as a key intermediate and reagent in advanced organic synthesis. Its primary value lies in its ability to act as a Lewis acid catalyst and a precursor for generating other boronic acid derivatives, which are crucial for forming carbon-carbon bonds. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, where precise molecular construction is required.

Application

• As a Lewis acid catalyst in organic transformations, including Diels-Alder and aldol reactions.
• As a key synthetic intermediate in the production of active pharmaceutical ingredients (APIs).
• For the preparation of Suzuki-Miyaura cross-coupling reagents and other boronic ester derivatives.
• In the research and development of organic electronic materials and OLED components.
• As a stabilizer or modifier in polymer and resin formulations.
• In analytical chemistry as a derivatization agent for chromatography.

Basic Information

Product Name	Diphenylborinic Anhydride
CAS No.	4426-21-5
Molecular Formula	C24H20B2O
Molecular Weight	346.04 g/mol
Synonyms	Diphenylborinic Acid Anhydride; Tetraphenyldiboroxane; Bis(diphenylhydroxyboron) Oxide; Diphenylboron Oxide; Diphenylboroxole; Anhydrobis(diphenylborinic Acid); (Diphenylboranyloxy)diphenylborane
EINECS	224-596-5

Quality Control

Our Diphenylborinic Anhydride is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

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 hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	285 - 295 °C
Loss on Drying	≤ 0.5%

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