Description

[1,1'-Biphenyl]-3,3',5,5'-Tetracarboxylic Acid, 4,4'-Difluoro- is a high-purity, multifunctional aromatic building block of significant interest in advanced materials science. This compound matters for its unique structural configuration, featuring four carboxylic acid groups and two fluorine atoms, which enables precise molecular design and functionalization. It is primarily needed by R&D and production teams in the pharmaceutical, agrochemical, and specialty polymer industries for synthesizing novel monomers, ligands, and complex organic frameworks.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor for the synthesis of active pharmaceutical ingredients (APIs), particularly in developing targeted therapies.
• Polymer & Material Science: Used as a monomer for constructing high-performance polyimides, polyamides, and other heat-resistant polymers with enhanced thermal and chemical stability.
• Metal-Organic Frameworks (MOFs): Acts as a versatile organic linker for creating novel MOFs with potential applications in gas storage, separation, and catalysis.
• Liquid Crystal & OLED Materials: Provides a rigid, fluorinated core structure for developing advanced electronic and optoelectronic materials.
• Agrochemical Synthesis: Employed in the research and development of new generation herbicides and fungicides.
• Chemical Research & Development: A valuable tool for academic and industrial chemists exploring new synthetic methodologies and complex molecule construction.

Basic Information

Product Name	[1,1'-Biphenyl]-3,3',5,5'-Tetracarboxylic Acid, 4,4'-Difluoro-
CAS No.	1628901-94-9
Molecular Formula	C18H8F2O8
Molecular Weight	390.25 g/mol
Synonyms	4,4'-Difluoro-[1,1'-biphenyl]-3,3',5,5'-tetracarboxylic acid; 4,4'-Difluorobiphenyl-3,3',5,5'-tetracarboxylic Acid; 3,3',5,5'-Biphenyltetracarboxylic Acid, 4,4'-Difluoro-; 4,4'-Difluoro-3,3',5,5'-biphenyltetracarboxylic Acid; Biphenyl-3,3',5,5'-tetracarboxylic Acid, 4,4'-Difluoro Derivative; 4F-BPTA; DFBTCA
EINECS	Contact for details

Quality Control

Our [1,1'-Biphenyl]-3,3',5,5'-Tetracarboxylic Acid, 4,4'-Difluoro- is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed in a dry environment to prevent absorption of moisture, which may affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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