Description

Tetrafluorophthalic Anhydride is a highly reactive, fluorinated aromatic anhydride used as a key building block in advanced material synthesis. Its value lies in introducing thermally stable, chemically resistant fluorinated aromatic segments into polymer backbones and small molecules. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries, particularly for creating high-performance materials like polyimides, epoxy resins, and active pharmaceutical ingredients (APIs).

Application

• High-Performance Polymer Synthesis: A critical monomer for producing fluorinated polyimides and polyamides, which exhibit exceptional thermal stability, low dielectric constant, and high optical transparency for electronics and aerospace applications.
• Pharmaceutical Intermediate: Serves as a precursor in the synthesis of complex drug molecules, where the tetrafluorinated aromatic ring can enhance metabolic stability and binding affinity.
• Agrochemical Active Ingredients: Used in the development of advanced herbicides and pesticides, leveraging the fluorine atoms to improve biological activity and environmental persistence.
• Epoxy Resin Modifier: Incorporated to enhance the chemical resistance, thermal properties, and moisture barrier performance of epoxy resin systems for coatings and composites.
• Liquid Crystal & OLED Materials: Acts as a core component in the synthesis of fluorinated aromatic units for organic electronic materials, improving charge transport and device efficiency.
• Crosslinking Agent: Functions as a reactive crosslinker in specialty polymer formulations to increase network density and improve mechanical properties.
• Dye & Pigment Intermediate: Utilized in the production of specialized fluorinated dyes and pigments that offer superior lightfastness and color stability.

Basic Information

Product Name	Tetrafluorophthalic Anhydride
CAS No.	652-12-0
Molecular Formula	C8F4O3
Molecular Weight	220.08 g/mol
Synonyms	4,5,6,7-Tetrafluoroisobenzofuran-1,3-dione; 4,5,6,7-Tetrafluorophthalic Anhydride; 1,3-Isobenzofurandione, 4,5,6,7-tetrafluoro-; Perfluorophthalic Anhydride; TEPA; Tetrafluorophthalic Acid Anhydride; TFPA
EINECS	211-475-5

Quality Control

Our Tetrafluorophthalic Anhydride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment ensures consistent performance and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions to prevent hydrolysis. The original container should be kept sealed under an inert atmosphere (e.g., nitrogen or argon) when not in use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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