Description

4-Ethyl-3-Fluorobenzoic Acid 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 benzoic acid scaffold, enabling precise modulation of electronic and steric properties in target molecules. This compound is primarily needed by R&D and production chemists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for constructing complex molecules in drug discovery and development, particularly for candidates targeting CNS disorders, inflammation, and metabolic diseases.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides, where the fluorine atom enhances biological activity and environmental stability.
• Liquid Crystal Materials: Serves as a precursor in the synthesis of fluorinated liquid crystals for high-performance displays (LCDs) due to its ability to influence molecular polarity and alignment.
• Polymer Chemistry: Incorporated as a monomer or modifier to create specialty polymers with improved chemical resistance, thermal stability, and surface properties.
• Organic Electronic Materials: Utilized in the research and development of organic semiconductors and charge-transport materials for OLEDs and photovoltaic cells.
• Chemical Research & Development: Acts as a standard or reagent in methodological studies involving fluorination, cross-coupling, and carboxylate chemistry.

Basic Information

Item	Details
Product Name	4-Ethyl-3-Fluorobenzoic Acid
CAS No.	37135-28-7
Molecular Formula	C9H9FO2
Molecular Weight	168.16 g/mol
Synonyms	3-Fluoro-4-ethylbenzoic acid; Benzoic acid, 4-ethyl-3-fluoro-; 4-Ethyl-3-fluorobenzoic acid; 37135-28-7; 3-Fluoro-4-ethyl-benzoic acid; 4-Ethyl-m-fluorobenzoic acid; 3-Fluoro-p-ethylbenzoic acid; 4-Carboxy-2-fluorophenylethane
EINECS	Contact for details

Quality Control

Our 4-Ethyl-3-Fluorobenzoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your critical synthesis workflows.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases, strong oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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