Description

[1,1':4',1''-Terphenyl]-4-Carboxaldehyde is a high-purity aromatic aldehyde building block, essential for advanced organic synthesis and materials science research. Its rigid, extended terphenyl core functionalized with a reactive aldehyde group makes it a valuable precursor for constructing complex molecular architectures. This compound is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and organic electronics industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those requiring rigid, conjugated scaffolds.
• Liquid Crystal & OLED Material Precursor: Serves as a core synthon for creating advanced organic semiconductors, charge-transport materials, and emissive layers in display technologies.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators with tailored properties.
• Metal-Organic Framework (MOF) Ligand: The aldehyde group allows for post-synthetic modification, making it useful for constructing functional porous materials for catalysis and gas storage.
• Polymer & Dendrimer Chemistry: Acts as a monomer or branching unit for synthesizing high-performance polymers and dendritic structures with specific thermal and optical properties.
• Cross-Coupling Reactions: A versatile substrate in Suzuki, Heck, and other palladium-catalyzed cross-coupling reactions to create complex biaryl systems.
• Fluorescent Probe & Sensor Development: The terphenyl backbone is ideal for creating fluorophores and chemosensors used in analytical chemistry and bioimaging.
• Academic & Industrial R&D: Fundamental research reagent for exploring new organic reactions and material properties in university and corporate laboratories.

Basic Information

Product Name	[1,1':4',1''-Terphenyl]-4-Carboxaldehyde
CAS No.	17800-49-6
Molecular Formula	C19H14O
Molecular Weight	258.32 g/mol
Synonyms	4'-Formyl-1,1':4',1''-terphenyl; p-Terphenyl-4-carboxaldehyde; 4-([1,1'-Biphenyl]-4-yl)benzaldehyde; 4-(4-Phenylphenyl)benzaldehyde; 4-Formyl-p-terphenyl; 4-Carboxyaldehyde-p-terphenyl; 1,1':4',1''-Terphenyl-4-carbaldehyde; 4'-Aldehyde-p-terphenyl
EINECS	Contact for details

Quality Control

Our [1,1':4',1''-Terphenyl]-4-Carboxaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with all shipments, detailing identity, purity, and impurity profiles to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is light-sensitive (store away from light). Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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