Description

4-Ethyl-2-Fluorobenzaldehyde is a versatile fluorinated aromatic aldehyde building block of significant interest in advanced organic synthesis. Its molecular structure, featuring both an aldehyde group and a fluorine atom on the benzene ring, makes it a critical intermediate for constructing complex molecules with tailored properties. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting CNS and metabolic diseases.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, where the fluorine atom enhances biological activity and environmental stability.
• Liquid Crystal & OLED Materials: Acts as a building block for fluorinated organic electronic materials, contributing to improved performance in display and lighting technologies.
• Functional Dye & Pigment Chemistry: Employed in the synthesis of specialized dyes and pigments where the fluorine substitution alters light absorption and color fastness properties.
• Cross-Coupling Reactions: The aldehyde and halogenated aryl structure makes it a suitable substrate for Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D focused on fluorochemistry, asymmetric synthesis, and new synthetic methodology.

Basic Information

Item	Detail
Product Name	4-Ethyl-2-Fluorobenzaldehyde
CAS No.	1176284-04-0
Molecular Formula	C9H9FO
Molecular Weight	152.17 g/mol
Synonyms	2-Fluoro-4-ethylbenzaldehyde; 4-Ethyl-2-fluorobenzenecarboxaldehyde; 2-Fluoro-4-ethylbenzenecarboxaldehyde; 4-Ethyl-2-fluorobenzaldehyde; 1176284-04-0; Benzenecarboxaldehyde, 4-ethyl-2-fluoro-
EINECS	Contact for details

Quality Control

Every batch of 4-Ethyl-2-Fluorobenzaldehyde is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for sensitive synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles by GC/HPLC is supplied with each shipment, and custom specifications can be developed to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is easily oxidized and should be handled under an inert atmosphere for long-term storage or after opening. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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