Description

5-Chloro-2-Isocyanatobenzonitrile is a versatile aromatic isocyanate building block, essential for constructing complex molecular architectures. Its value lies in the dual reactivity of the isocyanate group and the electron-withdrawing nature of the nitrile and chloro substituents, enabling precise synthesis of heterocycles and functional polymers. This high-purity intermediate is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for creating novel active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel heterocyclic compounds, including quinazolinones and benzimidazoles, with potential biological activity.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, leveraging its structural motif for bioactivity.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the production of specialty polyurethanes and polyurea coatings with enhanced chemical resistance.
• Material Science: Employed in the creation of advanced organic frameworks, dyes, and pigments due to its rigid aromatic core and reactive sites.
• Chemical Research: A valuable reagent for [3+2] cycloadditions and other reactions to form ureas, carbamates, and amides under mild conditions.

Basic Information

Product Name	5-Chloro-2-Isocyanatobenzonitrile
CAS No.	64411-72-9
Molecular Formula	C8H3ClN2O
Molecular Weight	178.57 g/mol
Synonyms	2-Isocyanato-5-chlorobenzonitrile; 5-Chloro-2-isocyanato-benzonitrile; 5-Chloro-2-isocyanobenzonitrile; 2-Cyano-4-chlorophenyl isocyanate; Benzonitrile, 5-chloro-2-isocyanato-; 4-Chloro-2-cyanophenyl isocyanate; 5-Chloro-2-isocyanatobenzene carbonitrile
EINECS	Contact for details

Quality Control

Our 5-Chloro-2-Isocyanatobenzonitrile is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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 and moisture-sensitive nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details

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