Description

4-(Chloromethyl)Phenyl Isocyanate is a versatile and highly reactive aromatic isocyanate derivative, serving as a critical building block in advanced organic synthesis. Its core value proposition lies in the dual functionality of the reactive isocyanate group and the chloromethyl moiety, enabling the creation of complex molecular architectures. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty polymer industries, where it is used to introduce key structural motifs and functional groups.

Application

• Pharmaceutical Intermediates: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing urea or carbamate linkages.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and insecticides, where it acts as a linker to introduce bioactive moieties.
• Polymer Modification: Employed as a cross-linking agent or chain extender in polyurethane and polyurea systems to enhance material properties.
• Ligand and Catalyst Development: Serves as a starting material for synthesizing specialized ligands used in catalysis and metal-organic frameworks (MOFs).
• Surface Functionalization: Used to modify material surfaces (e.g., silica, polymers) by grafting isocyanate groups for improved adhesion or biocompatibility.
• Dye and Pigment Chemistry: Intermediate in the production of specialized colorants and photographic chemicals.

Basic Information

Product Name	4-(Chloromethyl)Phenyl Isocyanate
CAS No.	29173-65-7
Molecular Formula	C8H6ClNO
Molecular Weight	167.59 g/mol
Synonyms	1-Isocyanato-4-(chloromethyl)benzene; p-(Chloromethyl)phenyl isocyanate; 4-Chloromethylphenyl isocyanate; (4-Isocyanatophenyl)methyl chloride; NSC 403119; p-Chlorobenzyl isocyanate; 4-Chlorobenzyl isocyanate
EINECS	Contact for details

Quality Control

Our 4-(Chloromethyl)Phenyl Isocyanate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of industrial and research applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation from moisture. Keep away from heat, sparks, and open flame.

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.