Description

Tetrafluorophthalic Acid is a high-purity fluorinated aromatic dicarboxylic acid derivative, serving as a critical building block for advanced materials synthesis. Its unique structure, featuring four fluorine atoms on the aromatic ring, imparts exceptional chemical stability and reactivity, making it a valuable precursor for high-performance polymers and specialty chemicals. This compound is essential for R&D and production in the pharmaceutical, agrochemical, and advanced polymer industries, where its fluorinated backbone is leveraged to enhance product properties.

Application

• Key monomer for synthesizing high-performance, thermally stable fluorinated polyimides and polyamides used in electronics and aerospace.
• Advanced intermediate in the development of pharmaceutical active ingredients and agrochemicals, where fluorine incorporation improves bioavailability and stability.
• Precursor for liquid crystal polymers (LCPs) and other specialty polymers requiring high chemical resistance and low dielectric constant.
• Synthesis of metal-organic frameworks (MOFs) and other porous materials for gas storage and catalysis research.
• Production of dyes, pigments, and optical brighteners with enhanced light-fastness and performance.
• Building block for corrosion inhibitors and surface treatment agents in high-demand industrial applications.

Basic Information

Item	Detail
Product Name	Tetrafluorophthalic Acid
CAS No.	652-03-9
Molecular Formula	C8H2F4O4
Molecular Weight	238.10 g/mol
Synonyms	Tetrafluorobenzene-1,2-dicarboxylic Acid; 3,4,5,6-Tetrafluorophthalic Acid; Perfluorophthalic Acid; 1,2-Benzenedicarboxylic Acid, 3,4,5,6-Tetrafluoro-; TEPA; Tetrafluoroisophthalic Acid (isomer); 652-03-9; NSC 403104
EINECS	211-476-5

Quality Control

Our Tetrafluorophthalic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment, guaranteeing traceability and consistent high quality for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 15-25°C. The product is a strong acid/organic solvent; ensure containers are kept tightly sealed to prevent moisture absorption and contamination.

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%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%

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