Description

3-Chlorophenyl Isocyanate is a versatile aromatic isocyanate monomer, a key building block for introducing the 3-chlorophenyl moiety into larger molecular frameworks. Its high reactivity with nucleophiles like amines and alcohols makes it essential for synthesizing specialized polymers and fine chemicals. This compound is particularly valuable for manufacturers in the agrochemical, pharmaceutical, and advanced materials sectors seeking to develop products with specific performance characteristics.

Application

• Agrochemical Intermediates: A critical precursor in the synthesis of modern herbicides, fungicides, and insecticides, where the chlorophenyl group enhances biological activity.
• Pharmaceutical Building Blocks: Used to create urea and carbamate derivatives that serve as key scaffolds or active pharmaceutical ingredients (APIs).
• Polyurethane & Polymer Modification: Acts as a cross-linking agent or chain extender to produce polyurethanes, polyureas, and other specialty polymers with tailored properties like chemical resistance.
• Dye & Pigment Synthesis: Employed in the manufacture of high-performance dyes and organic pigments, contributing to color fastness and stability.
• Chemical Research & Development: Serves as a valuable reagent in organic synthesis for academic and industrial R&D laboratories exploring new chemical entities.
• Surface Coating Agents: Used to formulate advanced coatings and adhesives that require specific durability and adhesion characteristics.

Basic Information

Product Name	3-Chlorophenyl Isocyanate
CAS No.	2909-38-8
Molecular Formula	C7H4ClNO
Molecular Weight	153.57 g/mol
Synonyms	m-Chlorophenyl Isocyanate; 3-Chloro-1-isocyanatobenzene; 1-Chloro-3-isocyanatobenzene; Isocyanic Acid, 3-Chlorophenyl Ester; m-Chlorophenyl Mustard Oil; 3-CPI; NSC 8765
EINECS	220-826-8

Quality Control

Our 3-Chlorophenyl Isocyanate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including assay (by GC/HPLC), identity confirmation (IR), and impurity profiling, to ensure it meets stringent specifications for industrial and research applications. A Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C/59-77°F). Due to its moisture-sensitive (hygroscopic) nature, containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent degradation from atmospheric moisture. Keep away from heat, sparks, open flames, and strong bases.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~1.26 g/cm³

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