Description

Benzoic Acid, 4,4',4'',4'''-(1,3,6,8-Pyrenetetrayltetra-2,1-Ethynediyl)Tetrakis- is a highly functionalized, star-shaped organic compound featuring a central pyrene core extended with benzoic acid-terminated ethynylene arms. This unique molecular architecture makes it a critical advanced intermediate or building block for cutting-edge materials science. It is primarily sought after by researchers and manufacturers in the organic electronics, photovoltaics, and supramolecular chemistry sectors for developing novel functional materials.

Application

• Organic Semiconductor Precursor: Serves as a key building block for hole-transporting materials (HTMs) or electron-accepting materials in OLEDs and organic photovoltaics (OPVs).
• Metal-Organic Framework (MOF) Synthesis: Used as a multi-dentate organic linker to construct complex, porous coordination polymers with tailored properties for gas storage or catalysis.
• Supramolecular Assembly: The rigid, conjugated structure and carboxylic acid groups enable precise self-assembly into nanostructures for sensors or optoelectronic devices.
• Polymer Functionalization: Acts as a cross-linking agent or side-chain modifier to impart electro-optical activity to polymers.
• Research & Development: Essential for academic and industrial R&D in exploring new π-conjugated systems and their photophysical properties.

Basic Information

Product Name	Benzoic Acid, 4,4',4'',4'''-(1,3,6,8-Pyrenetetrayltetra-2,1-Ethynediyl)Tetrakis-
CAS No.	1569900-71-5
Molecular Formula	C58H26O8
Molecular Weight	850.83 g/mol
Synonyms	1,3,6,8-Tetrakis(4-carboxyphenylethynyl)pyrene; Pyrene-1,3,6,8-tetrayltetrakis(4,1-phenylene-2,1-ethynediyl)tetrabenzoic acid; Tetrakis(4-carboxyphenylethynyl)pyrene; 1,3,6,8-Tetrakis[(4-carboxyphenyl)ethynyl]pyrene; TPy-CPBA; Pyrene-based tetracarboxylic acid linker; 1,3,6,8-Tetra(4'-carboxyphenylethynyl)pyrene
EINECS	Contact for details

Quality Control

As a high-purity specialty chemical for advanced applications, our Benzoic Acid, 4,4',4'',4'''-(1,3,6,8-Pyrenetetrayltetra-2,1-Ethynediyl)Tetrakis- is produced and handled under strict quality protocols. Each batch undergoes comprehensive analytical characterization to ensure structural integrity and purity. Certificates of Analysis (COA) detailing results from NMR, HPLC, and elemental analysis are provided to support your research and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is light-sensitive and should be handled under an inert atmosphere when possible to prevent degradation. Keep away from strong oxidizers.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95% (Area %)
Purity (Titration)	Contact for details
Solubility	Soluble in DMF, DMSO; slightly soluble in THF

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