Description

[1,1':3',1'':4'',1''':3''',1''''-Quinquephenyl]-4,4''''-Dicarboxylic Acid, 5',5'''-Bis(4-Carboxyphenyl)- is a high-purity, multi-functional organic building block characterized by its extended conjugated aromatic core and multiple carboxylic acid termini. This compound is of significant value for advanced materials research and development, offering precise structural control for creating complex molecular architectures. It is primarily sought after by R&D chemists and material scientists in the fields of organic electronics, metal-organic frameworks (MOFs), and specialty polymers.

Application

• Organic Semiconductor Precursor: Serves as a key monomer or dopant for the synthesis of novel conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaics.
• Metal-Organic Framework (MOF) Synthesis: Acts as a sophisticated multi-dentate organic linker to construct MOFs with unique porosity and functionality for gas storage, separation, and catalysis.
• Liquid Crystal & Polymer Additive: Used to develop high-performance liquid crystalline materials and to modify the properties of engineering plastics and epoxy resins.
• Pharmaceutical Intermediate: Employed in the research and synthesis of complex active pharmaceutical ingredients (APIs) and diagnostic agents.
• Coordination Chemistry & Ligand Design: Functions as a versatile polytopic ligand for constructing discrete coordination complexes and supramolecular assemblies.
• Advanced Material Research: A critical component in academic and industrial R&D for exploring new materials with tailored electronic, optical, or mechanical properties.

Basic Information

Item	Detail
Product Name	[1,1':3',1'':4'',1''':3''',1''''-Quinquephenyl]-4,4''''-Dicarboxylic Acid, 5',5'''-Bis(4-Carboxyphenyl)-
CAS No.	1816997-25-7
Molecular Formula	C46H30O8
Molecular Weight	710.73 g/mol
Synonyms	5',5'''-Bis(4-carboxyphenyl)-[1,1':3',1'':4'',1''':3''',1''''-quinquephenyl]-4,4''''-dicarboxylic acid; Quinquephenyl Tetracarboxylic Acid Derivative; 1,1':3',1'':4'',1''':3''',1''''-Quinquephenyl-4,4''''-dicarboxylic acid, 5',5'''-bis(4-carboxyphenyl)-; Multi-phenyl Tetracarboxylic Acid; Extended Aromatic Tetracarboxylate; QP-4COOH; MOF Linker 1816997-25-7
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards for research and advanced material synthesis. Every batch is characterized using advanced analytical techniques to confirm identity, purity, and consistency. Certificates of Analysis (COA) detailing specific lot results are available upon request, providing full traceability and supporting your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Area %)
Water Content (KF)	≤ 2.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm

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