Description

4-Chloro-2-Fluorophenyl Isocyanate 97 is a versatile aromatic isocyanate building block used in the synthesis of advanced chemical intermediates. Its primary value lies in its reactive isocyanate group, which readily forms ureas, carbamates, and other heterocyclic compounds under controlled conditions. This high-purity intermediate is essential for researchers and manufacturers in the agrochemical and pharmaceutical sectors developing novel active ingredients and fine chemicals.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of modern herbicides, fungicides, and insecticides, where its halogenated phenyl ring contributes to biological activity.
• Pharmaceutical Synthesis: Used to construct urea and carbamate linkages in drug discovery and the development of active pharmaceutical ingredients (APIs).
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the production of specialized polyurethanes and coatings with enhanced properties.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring new heterocyclic compounds and material science applications.
• Dye and Pigment Manufacturing: Employed in the synthesis of complex organic dyes and colorants.

Basic Information

Product Name	4-Chloro-2-Fluorophenyl Isocyanate 97
CAS No.	51163-28-1
Molecular Formula	C7H3ClFNO
Molecular Weight	171.56 g/mol
Synonyms	1-Chloro-4-fluoro-2-isocyanatobenzene; 2-Fluoro-4-chlorophenyl isocyanate; 4-Chloro-2-fluorophenyl isocyanate; Isocyanic acid, 4-chloro-2-fluorophenyl ester; 2-Fluoro-4-chloro-1-isocyanatobenzene; (4-Chloro-2-fluorophenyl)carbimide
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-Fluorophenyl Isocyanate 97 is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by HPLC and identification by FTIR. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research or production requirements.

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 product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation and polymerization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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