Description

2,2''-Dimethyl-[1,1':4',1''-Terphenyl]-4,4''-Dicarboxylic Acid is a high-purity, multi-functional aromatic dicarboxylic acid derivative, serving as a critical advanced organic intermediate for the synthesis of complex molecular architectures. Its rigid, extended terphenyl core with strategically positioned carboxyl groups makes it an indispensable building block for creating materials with tailored electronic and structural properties. This compound is essential for R&D and production in advanced material science, particularly for developers of organic semiconductors, liquid crystals, and metal-organic frameworks (MOFs).

Application

• Organic Semiconductor Precursor: A key monomer for synthesizing conjugated polymers and small molecules used in OLEDs, OFETs, and organic photovoltaic cells.
• Liquid Crystal Materials: Serves as a core component in the production of high-performance liquid crystals for displays and optical devices.
• Metal-Organic Frameworks (MOFs): Acts as a versatile organic linker for constructing porous MOFs with applications in gas storage, separation, and catalysis.
• Pharmaceutical Intermediate: Used in the research and development of novel active pharmaceutical ingredients (APIs) with complex polyaromatic structures.
• Polymer & Resin Modifier: Incorporated into high-performance engineering plastics, polyesters, and coatings to enhance thermal stability and mechanical properties.
• Supramolecular Chemistry: Employed as a building block for designing functional supramolecular assemblies and host-guest systems.
• Dye & Pigment Synthesis: Intermediate for creating specialized dyes and pigments with specific light-absorption characteristics.
• Academic & Industrial R&D: A valuable tool for chemical research in synthetic methodology and new material discovery.

Basic Information

Product Name	2,2''-Dimethyl-[1,1':4',1''-Terphenyl]-4,4''-Dicarboxylic Acid
CAS No.	1807547-39-2
Molecular Formula	C22H18O4
Molecular Weight	346.38 g/mol
Synonyms	4,4''-Dicarboxy-2,2''-dimethyl-1,1':4',1''-terphenyl; 2,2'-Dimethyl-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid; 4,4''-(2,2'-Dimethyl-[1,1':4',1''-terphenyl])dicarboxylic acid; DMTDA; Terphenyl-4,4''-dicarboxylic acid derivative; 2,2''-Dimethylterphenyl-4,4''-dicarboxylic acid; 4,4''-Bis(carboxy)-2,2''-dimethyl-1,1':4',1''-terphenyl
EINECS	Contact for details

Quality Control

Every batch of 2,2''-Dimethyl-[1,1':4',1''-Terphenyl]-4,4''-Dicarboxylic Acid is produced and tested under a strict quality management system. We employ advanced analytical techniques including HPLC, NMR, and MS to ensure identity, purity, and consistency meet the exacting standards required for advanced material synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical data is provided with each shipment to support your quality assurance and regulatory needs.

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). Keep away from strong oxidizing agents, strong bases, and sources of ignition. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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