Description

4,4''-Diiodo-p-Terphenyl is a high-purity, halogenated aromatic compound with a rigid, linear terphenyl backbone. This structure makes it a valuable advanced intermediate and functional building block for the synthesis of complex organic materials. It is primarily sought by R&D chemists and material scientists working in organic electronics, liquid crystal development, and pharmaceutical research.

Application

• Organic Light-Emitting Diodes (OLEDs): Serves as a key precursor for electron-transport materials and host molecules in emissive layers.
• Liquid Crystal Displays (LCDs): Used in the synthesis of high-performance liquid crystal compounds for display applications.
• Pharmaceutical Intermediates: Acts as a rigid scaffold or halogenated synthon in the development of active pharmaceutical ingredients (APIs).
• Polymer & Material Science: Incorporated into polymers to enhance thermal stability, rigidity, and optoelectronic properties.
• Chemical Research: Employed in cross-coupling reactions (e.g., Suzuki, Heck) to create extended π-conjugated systems for advanced materials.
• Ligand Synthesis: Used to prepare specialized ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Item	Detail
Product Name	4,4''-Diiodo-p-Terphenyl
CAS No.	19053-14-6
Molecular Formula	C18H12I2
Molecular Weight	482.10 g/mol
Synonyms	p-Terphenyl, 4,4''-diiodo-; 1,4-Bis(4-iodophenyl)benzene; 4,4''-Diiodo-1,1':4',1''-terphenyl; Diiodoterphenyl; 4,4''-Diiodoterphenyl; 4,4'-Diiodo-p-terphenyl; 4,4''-Diiodo-p-terphenyl; 19053-14-6
EINECS	Contact for details

Quality Control

Our 4,4''-Diiodo-p-Terphenyl is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality systems are designed to meet the stringent requirements of research and fine chemical synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, handling should be conducted under appropriate conditions to minimize degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.