Description

2-(3-Ethoxy-5-Methoxyphenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is a high-purity boronic ester derivative, a crucial building block in modern synthetic organic chemistry. Its primary value lies in enabling efficient and selective cross-coupling reactions, such as the Suzuki-Miyaura reaction, which is fundamental for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality intermediates for drug discovery, active ingredient synthesis, and functional polymer development.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing biaryl or heterobiaryl motifs.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides that require specific phenyl-boronate coupling steps.
• Material Science: Serves as a monomer or functionalization agent in the development of organic electronic materials, including OLEDs and conductive polymers.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D labs exploring new carbon-carbon bond formation methodologies.
• Ligand and Catalyst Preparation: Employed in the synthesis of sophisticated ligands and organometallic catalysts used in asymmetric synthesis.
• Fine Chemical Production: Integral to the multi-step synthesis of complex fragrance, flavor, and specialty chemical compounds.

Basic Information

Product Name	2-(3-Ethoxy-5-Methoxyphenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane
CAS No.	2096995-78-5
Molecular Formula	C₁₅H₂₃BO₄
Molecular Weight	278.15 g/mol
Synonyms	3-Ethoxy-5-methoxyphenylboronic acid pinacol ester; (3-Ethoxy-5-methoxyphenyl)boronic acid pinacol ester; 3-Ethoxy-5-methoxybenzeneboronic acid pinacol ester; 2-(3-Ethoxy-5-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 2096995-78-5; 3-Ethoxy-5-methoxy phenylboronic acid pinacol ester; Pinacol (3-ethoxy-5-methoxyphenyl)boronate
EINECS	Contact for details

Quality Control

Our 2-(3-Ethoxy-5-Methoxyphenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for sensitive applications. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing purity, identity, and impurity profiles. Our quality management system is designed to meet the stringent requirements of cGMP and ISO standards, ensuring traceability and reliability for our global B2B partners.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation and maintain purity. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥97.0%
Purity (NMR)	≥95.0%
Water Content (KF)	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm

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