Description

Phenol, 4-Ethoxy-3-Fluoro-, Monoester With Boric Acid (H3Bo3) (9Ci) CAS NO 313748-11-7 is a specialized organoboron compound that combines a fluorinated phenol derivative with boric acid. This unique structure makes it a valuable intermediate and reagent in advanced chemical synthesis, particularly where controlled release of the phenolic moiety or boron-based catalysis is required. It is primarily utilized by pharmaceutical, agrochemical, and advanced material research and development teams seeking to innovate with fluorinated and boron-containing molecules.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), especially those requiring fluorinated aromatic systems and boron functionalities.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and pesticides where the 4-ethoxy-3-fluorophenol group imparts specific biological activity.
• Polymer & Material Science: Acts as a monomer or additive in the development of specialty polymers, resins, and flame retardants, leveraging the thermal and chemical stability of the boron ester.
• Cross-Coupling Reagent: Functions as a reagent in Suzuki-Miyaura and other palladium-catalyzed cross-coupling reactions, providing a source of the fluorinated aryl group.
• Liquid Crystal & OLED Material Research: Investigated as a component in the synthesis of fluorinated liquid crystals and organic light-emitting diode (OLED) materials due to its electronic properties.
• Chemical Research & Development: Employed in academic and industrial R&D labs as a versatile intermediate for exploring new reaction pathways and creating complex molecular architectures.

Basic Information

Product Name	Phenol, 4-Ethoxy-3-Fluoro-, Monoester With Boric Acid (H3Bo3) (9Ci)
CAS No.	313748-11-7
Molecular Formula	C8H10BFO4
Molecular Weight	191.98 g/mol
Synonyms	4-Ethoxy-3-fluorophenyl borate; Boric acid (H3BO3), mono(4-ethoxy-3-fluorophenyl) ester; (4-Ethoxy-3-fluorophenoxy)boronic acid; 3-Fluoro-4-ethoxyphenyl borate; Mono(4-ethoxy-3-fluorophenyl) borate; Boronic acid, B-(4-ethoxy-3-fluorophenyl)-; 4-Ethoxy-3-fluorophenol boronic ester
EINECS	Contact for details

Quality Control

Our production of Phenol, 4-Ethoxy-3-Fluoro-, Monoester With Boric Acid adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Each lot is analyzed using advanced techniques including HPLC, NMR, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

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 compound is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed to exclude moisture. 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%
Water Content (KF)	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residue on Ignition	≤ 0.1%

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