Description

4,5-Difluoro-2-Ethoxyphenylboronic Acid is a high-purity boronic acid derivative, a crucial building block in modern synthetic organic chemistry. Its primary value lies in enabling the precise construction of complex molecules through reliable cross-coupling reactions. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A key precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates, particularly in the development of fluorinated active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used to create advanced, fluorinated herbicides, fungicides, and insecticides with enhanced efficacy and environmental profiles.
• Liquid Crystal & OLED Material Production: Serves as a building block for synthesizing fluorinated aromatic compounds used in electronic displays and organic light-emitting diodes.
• Polymer Chemistry: Enables the incorporation of specific fluorinated aromatic units into specialty polymers to modify thermal stability, chemical resistance, or optical properties.
• Chemical Research & Development: A versatile reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating complex molecular architectures.
• Material Science: Used in the development of advanced organic materials, including sensors and non-linear optical materials.

Basic Information

Item	Detail
Product Name	4,5-Difluoro-2-Ethoxyphenylboronic Acid
CAS No.	870778-87-3
Molecular Formula	C8H9BF2O3
Molecular Weight	201.97 g/mol
Synonyms	2-Ethoxy-4,5-difluorophenylboronic Acid; (4,5-Difluoro-2-ethoxyphenyl)boronic Acid; 4,5-Difluoro-2-ethoxybenzeneboronic Acid; Boronic acid, B-(4,5-difluoro-2-ethoxyphenyl)-; 870778-87-3; 4,5-Difluoro-2-ethoxybenzeneboronic acid; 2-Ethoxy-4,5-difluorobenzeneboronic acid
EINECS	Contact for details

Quality Control

Our 4,5-Difluoro-2-Ethoxyphenylboronic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, 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 place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

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

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