Description

2-Chlorobenzonitrile is a versatile halogenated aromatic nitrile compound serving as a critical synthetic intermediate. Its value lies in providing a reactive benzonitrile core with a strategically placed chlorine substituent, enabling selective functionalization for complex molecule assembly. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing chlorinated aromatic systems.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the chlorobenzonitrile moiety contributes to biological activity.
• Ligand and Catalyst Preparation: Serves as a precursor for synthesizing specialized ligands used in transition metal catalysis and coordination chemistry.
• Polymer and Material Science: Employed in the creation of high-performance polymers, liquid crystals, and other advanced organic materials.
• Dyestuff and Pigment Manufacturing: Acts as an intermediate in the production of certain dyes and organic pigments.
• Organic Synthesis Research: A valuable reagent for cross-coupling reactions (e.g., Suzuki, Stille) and cyanation transformations in R&D laboratories.

Basic Information

Product Name	2-Chlorobenzonitrile
CAS No.	873-32-5
Molecular Formula	C7H4ClN
Molecular Weight	137.57 g/mol
Synonyms	2-Chlorobenzonitrile; o-Chlorobenzonitrile; 2-Chlorobenzene carbonitrile; Benzonitrile, 2-chloro-; o-Chlorophenyl cyanide; 2-Cyanochlorobenzene; NSC 9245; 873-32-5
EINECS	212-842-8

Quality Control

Our 2-Chlorobenzonitrile is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing purity, identity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and organic solvents. Recommended storage temperature is 15-25°C. The container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	43 - 47 °C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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