Description

4-Chloro-2-Methoxyphenyl Isocyanate is a versatile aromatic isocyanate building block used in the synthesis of advanced chemical intermediates. Its value lies in its reactive isocyanate group, which readily forms ureas and carbamates, enabling the creation of compounds with tailored properties. This product is essential for researchers and manufacturers in the agrochemical and pharmaceutical industries developing novel active ingredients and fine chemicals. We supply this high-purity intermediate to support innovation and reliable production processes globally.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of modern herbicides, fungicides, and insecticides, where its aromatic structure contributes to biological activity.
• Pharmaceutical Synthesis: Employed as a building block for creating active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring urea or carbamate linkages.
• Polymer & Resin Modifier: Used to introduce functional groups into polyurethanes and other specialty polymers, enhancing properties like adhesion, chemical resistance, or cross-linking density.
• Chemical Research & Development: Serves as a valuable reagent in organic synthesis for academic and industrial R&D labs exploring new heterocyclic compounds and fine chemicals.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of specialized dyes and pigments, leveraging its chloro and methoxy substituents for color and stability properties.

Basic Information

Product Name	4-Chloro-2-Methoxyphenyl Isocyanate
CAS No.	55440-53-4
Molecular Formula	C8H6ClNO2
Molecular Weight	183.59 g/mol
Synonyms	1-Chloro-4-isocyanato-2-methoxybenzene; 2-Methoxy-4-chlorophenyl isocyanate; 4-Chloro-2-methoxy-1-isocyanatobenzene; 4-Chloro-o-anisyl isocyanate; 4-Chloro-2-methoxyphenyl isocyanate; Isocyanic acid, 4-chloro-2-methoxyphenyl ester; (4-Chloro-2-methoxyphenyl)isocyanate
EINECS	Contact for details

Quality Control

Our production of 4-Chloro-2-Methoxyphenyl Isocyanate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with every shipment. We are committed to meeting the exacting standards required for pharmaceutical and agrochemical synthesis.

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). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) after opening to prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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