Description

3-Fluorophthalic Acid is a high-purity fluorinated aromatic dicarboxylic acid building block, essential for synthesizing advanced materials and active pharmaceutical ingredients (APIs). Its unique structure, featuring both a carboxylic acid group and a fluorine atom on the aromatic ring, enables precise molecular modifications that are critical for developing compounds with enhanced properties. This intermediate is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to innovate and optimize their product pipelines.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in fluorinated drug candidates.
• Agrochemical Synthesis: Used in the production of advanced herbicides, pesticides, and fungicides where the fluorine atom improves bioactivity and environmental stability.
• Liquid Crystal & OLED Materials: Serves as a building block for fluorinated monomers used in electronic display technologies and organic light-emitting diodes.
• Polymer Modification: Incorporated into polyimides, polyesters, and other high-performance polymers to enhance thermal stability, solubility, and chemical resistance.
• Organic Synthesis & Research: A versatile reagent in academic and industrial R&D for constructing complex fluorinated aromatic compounds.
• Coordination Chemistry: Acts as a ligand for metal-organic frameworks (MOFs) and catalysts, leveraging its dicarboxylate functionality.

Basic Information

Product Name	3-Fluorophthalic Acid
CAS No.	1583-67-1
Molecular Formula	C8H5FO4
Molecular Weight	184.12 g/mol
Synonyms	3-Fluorobenzene-1,2-dicarboxylic Acid; 1,2-Benzenedicarboxylic Acid, 3-Fluoro-; 3-Fluorophthalic Acid; 3-Fluorobenzene-1,2-dioic Acid; 3-Fluorophthalsäure (German); Acide 3-fluorophtalique (French); 3-FPA
EINECS	216-426-5

Quality Control

Our 3-Fluorophthalic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and batch-to-batch consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for production, ensuring reliability for critical applications.

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 strong bases, oxidizing agents, and sources of heat.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	210°C - 215°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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