Description

4,4'-(Ethyne-1,2-Diyl)Dibenzoic Acid is a high-purity organic building block characterized by its rigid, linear diacetylene-linked biphenyl core with terminal carboxylic acid groups. This compound matters for its role as a critical precursor in the synthesis of advanced materials, particularly metal-organic frameworks (MOFs) and conjugated polymers, where its molecular geometry and functional groups enable precise structural control. It is essential for researchers and manufacturers in the fields of porous materials, organic electronics, and pharmaceutical intermediates who require reliable, high-quality chemical components for innovative product development.

Application

• Metal-Organic Framework (MOF) Synthesis: Serves as a key organic linker for constructing porous, crystalline materials used in gas storage, separation, and catalysis.
• Conjugated Polymer Precursor: Used in the development of organic semiconductors for applications in OLEDs, OFETs, and photovoltaic cells.
• Pharmaceutical Intermediate: Acts as a building block in the synthesis of complex drug molecules and bioactive compounds.
• Liquid Crystal & Advanced Material Research: The rigid, rod-like structure makes it valuable for creating liquid crystalline phases and other functional materials.
• Cross-Coupling Reactions: Utilized in Sonogashira, Suzuki, and other palladium-catalyzed coupling reactions to create complex organic architectures.
• Coordination Chemistry: Functions as a chelating ligand for various metal ions, relevant in catalyst design and material science.

Basic Information

Product Name	4,4'-(Ethyne-1,2-Diyl)Dibenzoic Acid
CAS No.	16819-43-5
Molecular Formula	C16H10O4
Molecular Weight	266.25 g/mol
Synonyms	4,4'-(1,2-Ethanediylidene)bis[benzoic acid]; 4,4'-Diacetylenedibenzoic Acid; 4,4'-Biphenyldicarboxylic Acid, 2'-yne-1',4'-diyl-; Biphenyl-4,4'-dicarboxylic acid, 2-ethynyl-; DADB; 4-Carboxyphenylacetylene-4'-carboxylic acid; 1,1'-(1,2-Ethynediyl)bis[4-carboxybenzene]
EINECS	Contact for details

Quality Control

Our 4,4'-(Ethyne-1,2-Diyl)Dibenzoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality commitment supports applications in research, pharmaceutical development, and advanced material synthesis where specification adherence is critical.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound may be light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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