Description

2-(3,5-Dimethylphenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is a high-purity boronic ester derivative, a critical building block in modern synthetic organic chemistry. Its primary value lies in its role as a versatile and stable intermediate for Suzuki-Miyaura cross-coupling reactions, enabling the efficient construction of complex biaryl structures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality reagents for drug discovery and specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates via palladium-catalyzed cross-coupling.
• Agrochemical Synthesis: Used to create novel herbicides, fungicides, and insecticides with complex aromatic backbones.
• Material Science Research: Building block for organic light-emitting diodes (OLEDs), liquid crystals, and conductive polymers.
• Chemical Research & Development: A staple reagent in academic and industrial R&D labs for constructing carbon-carbon bonds.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring specific biaryl motifs.

Basic Information

Product Name	2-(3,5-Dimethylphenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane
CAS No.	325142-93-6
Molecular Formula	C14H21BO2
Molecular Weight	232.13 g/mol
Synonyms	3,5-Dimethylphenylboronic acid pinacol ester; (3,5-Dimethylphenyl)boronic acid pinacol ester; 2-(3,5-Dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 3,5-Dimethylbenzeneboronic acid pinacol ester; Pinacol (3,5-dimethylphenyl)boronate; 3,5-Dimethylphenyl-Bpin; CAS 325142-93-6
EINECS	Contact for details

Quality Control

Our 2-(3,5-Dimethylphenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC analysis, to ensure high chemical purity and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing purity, identity, and impurity profiles 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). Keep away from heat, sparks, and open flame. The product is light-sensitive (store away from light).

Specification

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

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