Description

3-Ethyl-4-Fluorobenzonitrile is a versatile fluorinated aromatic nitrile building block of significant importance in advanced organic synthesis. Its molecular structure, featuring both an ethyl and a fluorine substituent on the benzonitrile core, makes it a critical intermediate for constructing complex molecules with tailored electronic and steric properties. This compound is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, where the fluorine atom enhances biological activity and environmental stability.
• Liquid Crystal & OLED Materials: Serves as a precursor for fluorinated components in electronic display materials and organic light-emitting diodes (OLEDs), contributing to improved performance and durability.
• Polymer Chemistry: Acts as a monomer or modifier in the synthesis of specialty polymers, including high-performance resins and engineering plastics with enhanced chemical resistance.
• Chemical Research & Development: Employed as a standard reagent in academic and industrial R&D for methodology development, catalysis studies, and exploring new reaction pathways.
• Fluorine Chemistry: A valuable starting material for further functionalization in organofluorine chemistry, enabling the introduction of more complex fluorinated groups.

Basic Information

Product Name	3-Ethyl-4-Fluorobenzonitrile
CAS No.	869299-63-8
Molecular Formula	C9H8FN
Molecular Weight	149.17 g/mol
Synonyms	4-Fluoro-3-ethylbenzonitrile; 3-Ethyl-4-fluorobenzene carbonitrile; Benzonitrile, 3-ethyl-4-fluoro-; 4-Cyano-2-ethylfluorobenzene; 2-Ethyl-4-cyanobenzene; 3-Ethyl-4-fluorophenyl cyanide; 869299-63-8; 3-Ethyl-4-fluoro benzonitrile
EINECS	Contact for details

Quality Control

Our 3-Ethyl-4-Fluorobenzonitrile is manufactured under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality system supports cGMP standards for pharmaceutical applications, and we are committed to full traceability and supply chain transparency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to prevent moisture absorption and contamination.

Specification

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

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