Description

5'-((3,5-Dicarboxyphenyl)Ethynyl)-[1,1':3',1''-Terphenyl]-4,4''-Dicarboxylic Acid is a high-purity, multi-functional organic building block characterized by its extended conjugated aromatic system and multiple carboxylic acid groups. This compound is of significant value for advanced materials research and development, particularly in the synthesis of metal-organic frameworks (MOFs) and covalent organic frameworks (COFs). It is primarily sought after by researchers and manufacturers in the fields of porous materials, organic electronics, and specialty polymer chemistry.

Application

• Metal-Organic Framework (MOF) Synthesis: Serves as a versatile organic linker or strut for constructing novel MOFs with tailored pore sizes and functionalities for gas storage, separation, and catalysis.
• Covalent Organic Framework (COF) Precursor: Used as a key monomer in the bottom-up synthesis of crystalline, porous COFs for applications in sensing and optoelectronics.
• Organic Semiconductor Research: The extended π-conjugated system makes it a candidate for developing new organic electronic materials, such as those used in OLEDs or OFETs.
• Polymer Modification: Acts as a functional monomer or cross-linking agent to introduce rigidity, porosity, or specific binding sites into advanced polymer networks.
• Supramolecular Chemistry: Utilized in the design of complex molecular assemblies and host-guest systems due to its precise geometry and multiple coordination sites.
• Catalyst Ligand Design: The carboxylic acid groups can be used to coordinate with metal centers, creating novel heterogeneous or homogeneous catalysts.

Basic Information

Product Name	5'-((3,5-Dicarboxyphenyl)Ethynyl)-[1,1':3',1''-Terphenyl]-4,4''-Dicarboxylic Acid
CAS No.	1542480-30-7
Molecular Formula	C36H22O8
Molecular Weight	582.56 g/mol
Synonyms	5'-(3,5-Dicarboxyphenylethynyl)-1,1':3',1''-terphenyl-4,4''-dicarboxylic acid; [1,1':3',1''-Terphenyl]-4,4''-dicarboxylic acid, 5'-[(3,5-dicarboxyphenyl)ethynyl]-; H8ETTC (common abbreviation); Extended Tetratopic Carboxylate Linker; 5'-((3,5-Dicarboxyphenyl)Ethynyl)-[1,1':3',1''-Terphenyl]-4,4''-Dicarboxylic Acid; ETTC ligand; Tetracarboxylic acid linker; 5'-(3,5-Dicarboxyphenylethynyl)-terphenyl-4,4''-dicarboxylic acid
EINECS	Contact for details

Quality Control

Our production of 5'-((3,5-Dicarboxyphenyl)Ethynyl)-[1,1':3',1''-Terphenyl]-4,4''-Dicarboxylic Acid adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research applications. All materials are characterized using advanced analytical techniques including NMR and HPLC. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your R&D 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). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption, which can affect purity and performance. For long-term storage, consider using a desiccator.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Area %)
Water Content (KF)	≤ 2.0 %
Solubility	Soluble in DMF, DMSO; slightly soluble in common organic solvents

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