Description

4-Chlorobenzene-1,3-Dicarbonitrile is a versatile aromatic dinitrile building block characterized by its chlorinated benzene ring. This compound matters for its role as a key intermediate in the synthesis of complex heterocyclic systems and advanced functional materials. It is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty polymer industries for constructing active ingredients and high-performance additives.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various heterocyclic compounds, including quinazolines and phthalocyanines, which are scaffolds for active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and insecticides, where the chlorobenzene and nitrile functionalities contribute to biological activity.
• Polymer & Material Science: Serves as a monomer or cross-linking agent in the production of high-temperature resins, specialty polyamides, and dyes/pigments.
• Ligand & Complexation Chemistry: The nitrile groups act as ligands for metal coordination, useful in catalysis and the development of metal-organic frameworks (MOFs).
• Organic Synthesis Building Block: Employed in nucleophilic substitution and cyano-group transformation reactions to create a wide array of functionalized aromatic compounds.

Basic Information

Product Name	4-Chlorobenzene-1,3-Dicarbonitrile
CAS No.	4387-30-8
Molecular Formula	C8H3ClN2
Molecular Weight	162.57 g/mol
Synonyms	4-Chloroisophthalonitrile; 1,3-Dicyano-4-chlorobenzene; 4-Chloro-1,3-benzenedicarbonitrile; 4-Chlorobenzene-1,3-dinitrile; 4-Chloroisophthalodinitrile; 4-Chloro-m-phthalonitrile; 4-Chloro-1,3-dicyanobenzene; 4-Chlorobenzene-m-dicarbonitrile
EINECS	224-508-9

Quality Control

Our 4-Chlorobenzene-1,3-Dicarbonitrile is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	145 - 149 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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