Description

3,3''-p-Terphenyldicarboxaldehyde is a high-purity organic building block characterized by its extended conjugated aromatic system and dual aldehyde functional groups. This compound matters as a versatile and critical precursor in advanced materials science and pharmaceutical research, enabling the synthesis of complex molecular architectures. It is primarily needed by R&D chemists and process engineers in the fields of organic electronics, liquid crystal displays (LCDs), and as a key intermediate for active pharmaceutical ingredients (APIs) and specialty polymers.

Application

• Organic Semiconductor Precursor: Serves as a core building block for the synthesis of hole-transport materials (HTMs) and electron-transport materials (ETMs) used in OLEDs and organic photovoltaics (OPVs).
• Liquid Crystal & Display Technology: Used in the development of novel mesogens for high-performance liquid crystal displays (LCDs) and optical films due to its rigid, linear terphenyl backbone.
• Pharmaceutical Intermediate: Acts as a key synthon in the multi-step synthesis of complex drug candidates, particularly those requiring extended aromatic frameworks for target binding.
• Metal-Organic Framework (MOF) Synthesis: Functions as an organic linker for constructing porous coordination polymers with specific pore geometries and functionalities for gas storage or catalysis.
• Fluorescent Dye & Sensor Development: Utilized as a starting material for creating conjugated fluorescent probes and chemosensors with tunable emission properties.
• Polymer & Advanced Material Science: Incorporated into polyimides, polyamides, and other high-performance polymers to enhance thermal stability, mechanical strength, and optical properties.

Basic Information

Product Name	3,3''-p-Terphenyldicarboxaldehyde
CAS No.	341556-92-1
Molecular Formula	C20H14O2
Molecular Weight	286.33 g/mol
Synonyms	[1,1':4',1''-Terphenyl]-3,3''-dicarboxaldehyde; 3,3''-Terphenyldicarboxaldehyde; 3,3''-Dicarboxy-p-terphenyl; p-Terphenyl-3,3''-dicarbaldehyde; 3,3''-Bis(formyl)-1,1':4',1''-terphenyl; 3,3''-Diformyl-p-terphenyl
EINECS	Contact for details

Quality Control

Every batch of 3,3''-p-Terphenyldicarboxaldehyde undergoes rigorous analytical testing to ensure it meets the high-purity standards required for research and industrial synthesis. Our quality commitment includes adherence to in-house specifications developed for advanced organic intermediates. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment and is available upon request.

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 material is easily oxidized; for long-term storage, consider storing under an inert atmosphere such as nitrogen or argon to maintain optimal purity and stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%

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