Description

1-Ethyl-3-Fluorobenzene is a versatile fluorinated aromatic building block of significant importance in advanced organic synthesis. Its core value lies in the strategic combination of an ethyl group and a fluorine atom on the benzene ring, enabling precise modulation of electronic properties and lipophilicity in target molecules. This compound is essential for R&D and production chemists in the pharmaceutical, agrochemical, and specialty materials sectors who require high-purity intermediates for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon for the development of active pharmaceutical ingredients (APIs), particularly in creating molecules with enhanced metabolic stability and membrane permeability.
• Agrochemical Synthesis: Used in the research and manufacture of advanced herbicides, fungicides, and insecticides, where the fluorine atom often improves biological activity and environmental persistence.
• Liquid Crystal & OLED Materials: Serves as a precursor in the synthesis of fluorinated organic electronic materials, contributing to the performance of displays and lighting technologies.
• Organic Synthesis Building Block: Employed in cross-coupling reactions (e.g., Suzuki, Heck) and functional group transformations to introduce the valuable 3-fluoroethylbenzene moiety.
• Chemical Research & Development: A critical reagent in academic and industrial labs for exploring new reaction pathways and developing novel fluorinated compounds.

Basic Information

Product Name	1-Ethyl-3-Fluorobenzene
CAS No.	696-39-9
Molecular Formula	C8H9F
Molecular Weight	124.16 g/mol
Synonyms	3-Ethylfluorobenzene; m-Ethylfluorobenzene; 1-Fluoro-3-ethylbenzene; 3-Fluoroethylbenzene; m-Fluoroethylbenzene; (3-Fluorophenyl)ethane; 696-39-9
EINECS	Contact for details

Quality Control

Our 1-Ethyl-3-Fluorobenzene is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance for critical synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 2-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%

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