Description

Chloroisocyanatobenzene is a versatile and highly reactive aromatic isocyanate derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its ability to introduce the isocyanate functional group into target molecules, enabling the formation of ureas, carbamates, and other nitrogen-containing heterocycles. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require a reliable, high-purity intermediate for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various drug candidates, particularly those containing urea or carbamate linkages.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where it acts as a core scaffold.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the manufacture of polyurethanes and other specialty polymers with tailored properties.
• Dye and Pigment Manufacturing: Intermediate for creating complex colorants and functional dyes.
• Chemical Research & Development: A valuable reagent for constructing diverse chemical libraries and exploring new synthetic pathways in academic and industrial R&D labs.

Basic Information

Product Name	Chloroisocyanatobenzene
CAS No.	51134-03-3
Molecular Formula	C7H4ClNO
Molecular Weight	153.56 g/mol
Synonyms	1-Chloro-4-isocyanatobenzene; 4-Chlorophenyl isocyanate; p-Chlorophenyl isocyanate; Isocyanic acid, 4-chlorophenyl ester; 4-Chlorophenyl isocyanate; NSC 406058; Benzene, 1-chloro-4-isocyanato-
EINECS	Contact for details

Quality Control

Our Chloroisocyanatobenzene is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques including HPLC, GC, and NMR for comprehensive characterization and impurity profiling. A Certificate of Analysis (COA) detailing purity, identity, and specific test results is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen) after opening to prevent degradation from moisture and air.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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