Description

4,4'-Biphenyldicarbonitrile is a high-purity organic compound with the CAS number 1591-30-6, serving as a versatile and critical building block in advanced chemical synthesis. This compound is valued for its rigid, linear biphenyl core and dual cyano functional groups, which make it an essential precursor for creating complex organic frameworks and functional materials. It is primarily sought after by research institutions and industrial manufacturers in the fields of pharmaceuticals, agrochemicals, and materials science for developing novel compounds and high-performance polymers.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, aromatic linker.
• Liquid Crystal & OLED Material Precursor: Used in the synthesis of organic semiconductors, liquid crystal display (LCD) components, and emissive layers for organic light-emitting diodes (OLEDs).
• Polymer & Resin Chemistry: Acts as a monomer or cross-linking agent in the production of high-temperature resistant polymers, epoxy resins, and specialty polyamides.
• Agrochemical Synthesis: Employed as an intermediate in creating advanced herbicides, fungicides, and plant growth regulators.
• Coordination Chemistry & Ligand Synthesis: Serves as a starting material for constructing bipyridine-like ligands used in catalysis and metal-organic frameworks (MOFs).
• Organic Synthesis Building Block: Utilized in various name reactions, including cyano group transformations, to construct complex heterocycles and conjugated systems.

Basic Information

Product Name	4,4'-Biphenyldicarbonitrile
CAS No.	1591-30-6
Molecular Formula	C14H8N2
Molecular Weight	204.23 g/mol
Synonyms	[4,4'-Dicyanobiphenyl]; 4,4'-Dicyano-1,1'-biphenyl; p,p'-Dicyanobiphenyl; Biphenyl-4,4'-dicarbonitrile; 4-Cyanophenyl-4'-carbonitrile; NSC 403697; 1,1'-Biphenyl-4,4'-dicarbonitrile
EINECS	Contact for details

Quality Control

Our 4,4'-Biphenyldicarbonitrile is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your specifications.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and stability. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	225 - 230 °C
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.