Description

Terephthalbis(4-Fluoroaniline) CAS NO 17866-84-1 is a high-purity aromatic diamine derivative, serving as a critical building block in advanced polymer synthesis. Its value lies in its bifunctional structure, which enables the creation of high-performance materials with enhanced thermal stability and chemical resistance. This compound is essential for R&D and production in industries focused on specialty polymers, liquid crystal materials, and high-temperature resins.

Application

• Polyimide Monomer: A key precursor for synthesizing fluorinated polyimides, which are used in high-temperature films, flexible printed circuits, and aerospace components.
• Liquid Crystal Polymers (LCPs): Employed as a monomeric unit in the production of LCPs for electronics, connectors, and precision molded parts requiring dimensional stability.
• Epoxy Curing Agent: Functions as a cross-linking agent for high-performance epoxy resin systems, improving their thermal and mechanical properties.
• Pharmaceutical Intermediate: Used in the research and synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Advanced Composite Materials: Integral in the development of reinforced composites for automotive and industrial applications demanding lightweight strength.
• Organic Synthesis Building Block: Serves as a versatile intermediate in academic and industrial research for creating novel aromatic compounds.

Basic Information

Product Name	Terephthalbis(4-Fluoroaniline)
CAS No.	17866-84-1
Molecular Formula	C20H14F2N2
Molecular Weight	320.34 g/mol
Synonyms	N,N'-(1,4-Phenylenedicarbonyl)bis(4-fluoroaniline); 1,4-Bis(4-fluorophenylaminocarbonyl)benzene; 4,4'-(Terephthaloyldiimino)difluorobenzene; Terephthaloyl bis(4-fluoroaniline); p-Phenylenebis(4-fluoroaniline); TPBFA; Terephthalic acid bis(4-fluoroanilide); Bis(4-fluorophenyl) terephthalamide
EINECS	Contact for details

Quality Control

Every batch of Terephthalbis(4-Fluoroaniline) is manufactured under strict quality management systems. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation, to ensure compliance with industry standards and customer specifications. Certificates of Analysis (COA) detailing batch-specific results are available upon request.

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 oxidizing agents.

Specification

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

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