Description

5-Ethyl-2-Fluorobenzaldehyde is a versatile fluorinated aromatic aldehyde building block, essential for advanced organic synthesis. Its unique structure, featuring both an ethyl and a fluorine substituent on the benzaldehyde core, makes it a critical intermediate for creating complex molecules with tailored properties. This compound is primarily sought after by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting CNS and metabolic diseases.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and pesticides, where the fluorine atom enhances biological activity and stability.
• Liquid Crystal & OLED Materials: Serves as a precursor in the production of fluorinated components for electronic display and lighting technologies.
• Organic Synthesis & Catalysis: A valuable reagent in cross-coupling reactions, such as Suzuki and Heck reactions, and for constructing complex heterocyclic frameworks.
• Flavor & Fragrance Chemistry: Employed in the synthesis of specialty aromatic compounds for high-value fragrance and flavor applications.
• Polymer & Material Science: Acts as a monomer or modifier in the synthesis of specialty polymers with enhanced thermal and chemical resistance.

Basic Information

Product Name	5-Ethyl-2-Fluorobenzaldehyde
CAS No.	891843-59-7
Molecular Formula	C9H9FO
Molecular Weight	152.17 g/mol
Synonyms	2-Fluoro-5-ethylbenzaldehyde; 5-Ethyl-2-fluorobenzenecarboxaldehyde; 2-Fluoro-5-ethylbenzaldehyde; 1-Ethyl-4-fluoro-2-formylbenzene; Benzenecarboxaldehyde, 5-ethyl-2-fluoro-; 5-Ethyl-2-fluorobenzaldehyde (primary IUPAC); 2-Fluoro-5-ethyl-benzaldehyde
EINECS	Contact for details

Quality Control

Our 5-Ethyl-2-Fluorobenzaldehyde is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your most demanding synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This compound is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC/GC)	≥ 98.0%
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.