Description

4-Ethyl-2,3-Difluorobenzaldehyde is a high-purity fluorinated aromatic aldehyde building block of significant importance in advanced organic synthesis. Its unique structure, featuring both ethyl and difluoro substituents, makes it a critical intermediate for constructing complex molecules with tailored electronic and steric properties. This compound is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of fluorinated drug candidates targeting CNS disorders and metabolic diseases.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the fluorine atoms enhance biological activity, metabolic stability, and lipophilicity.
• Liquid Crystal & OLED Materials: Serves as a precursor for fluorinated liquid crystal compounds and organic light-emitting diode (OLED) materials, contributing to improved performance and stability in electronic displays.
• Functional Polymer Monomer: Employed in the synthesis of specialty polymers and coatings, where the aldehyde group allows for further functionalization to create materials with specific chemical resistance or surface properties.
• Chemical Research & Development: A versatile reagent in academic and industrial R&D labs for exploring new synthetic methodologies, catalysis, and material science applications.

Basic Information

Product Name	4-Ethyl-2,3-Difluorobenzaldehyde
CAS No.	1781592-05-9
Molecular Formula	C9H8F2O
Molecular Weight	170.16 g/mol
Synonyms	2,3-Difluoro-4-ethylbenzaldehyde; 4-Ethyl-2,3-difluorobenzenecarboxaldehyde; 2,3-Difluoro-4-ethylbenzaldehyde; 1-Ethyl-2,3-difluoro-4-formylbenzene; Benzenecarboxaldehyde, 4-ethyl-2,3-difluoro-; 4-Ethyl-2,3-difluoro-1-benzaldehyde
EINECS	Contact for details

Quality Control

Our 4-Ethyl-2,3-Difluorobenzaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and FTIR, to ensure identity, purity, and consistency meet the highest standards. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee full traceability and compliance with your project requirements.

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). Keep away from heat, sparks, and open flames. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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