Description

2-Chlorophenyl Isocyanate is a versatile aromatic isocyanate building block used in the synthesis of various high-value chemical intermediates. Its primary value lies in its reactive isocyanate group, which readily undergoes addition reactions with nucleophiles like amines and alcohols to form ureas and carbamates. This compound is essential for manufacturers and R&D laboratories in the agrochemical, pharmaceutical, and specialty polymer industries seeking to develop novel active ingredients and functional materials. Its specific structure, with the chlorine substituent, offers unique electronic and steric properties for fine-tuning product performance.

Application

• Agrochemical Synthesis: A key intermediate for producing herbicides, fungicides, and insecticides, where it is used to create active ingredients with specific modes of action.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs), particularly in constructing urea and carbamate-based drug molecules.
• Polymer & Resin Modification: Used as a cross-linking agent or chain extender in the production of specialty polyurethanes, coatings, and adhesives to enhance properties like chemical resistance and durability.
• Chemical Research & Development: Serves as a fundamental reagent in organic synthesis for creating novel heterocyclic compounds and other complex molecular architectures.
• Dye & Pigment Manufacturing: Acts as a precursor in the synthesis of certain azo dyes and organic pigments, contributing to colorant performance.

Basic Information

Product Name	2-Chlorophenyl Isocyanate
CAS No.	3320-83-0
Molecular Formula	C7H4ClNO
Molecular Weight	153.56 g/mol
Synonyms	o-Chlorophenyl Isocyanate; 1-Chloro-2-isocyanatobenzene; Isocyanic Acid, 2-Chlorophenyl Ester; 2-Chloro-Isocyanatobenzene; 2-Chlorophenyl Mustard Oil; NSC 406119; o-Chloro Phenyl Isocyanate
EINECS	222-025-8

Quality Control

Our 2-Chlorophenyl Isocyanate is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by GC or HPLC, identity confirmation (IR), and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every 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 room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be kept under a dry inert atmosphere (e.g., nitrogen) after opening to prevent hydrolysis and degradation. Keep away from heat, open flames, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.25 g/cm³
Boiling Point	~205-210°C

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