Description

5-Chloroisophthalonitrile is a high-purity aromatic nitrile derivative serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its bifunctional reactivity, where the chlorine and nitrile groups provide distinct handles for selective substitution and further functionalization, enabling the construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries, particularly for developing active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), especially those with complex heterocyclic or aromatic backbones.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, leveraging its halogen and nitrile functionality.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in metal-catalyzed cross-coupling reactions and other catalytic processes.
• Polymer and Resin Chemistry: A monomer or cross-linking agent in the synthesis of high-temperature resistant polymers, epoxy resins, and specialty polyimides.
• Organic Electronic Materials: Intermediate in the development of organic semiconductors, light-emitting diodes (OLEDs), and other electronic materials due to its rigid, conjugated structure.
• Dye and Pigment Manufacturing: Used as a starting material for synthesizing complex organic dyes and pigments with specific colorfastness and stability properties.

Basic Information

Item	Details
Product Name	5-Chloroisophthalonitrile
CAS No.	109292-88-8
Molecular Formula	C8H3ClN2
Molecular Weight	162.57 g/mol
Synonyms	1-Chloro-3,5-dicyanobenzene; 3,5-Dicyanochlorobenzene; 5-Chloro-1,3-benzenedicarbonitrile; Isophthalonitrile, 5-chloro-; 5-Chlorobenzene-1,3-dicarbonitrile; 3,5-Bis(cyano)-1-chlorobenzene; 1-Chloro-3,5-dicyanobenzene; 5-Chloro-m-phthalonitrile
EINECS	Contact for details

Quality Control

Our 5-Chloroisophthalonitrile is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled 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 stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%
Single Impurity (HPLC)	≤ 0.5%

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