Description

3-Chloro-4-(Difluoromethoxy)Phenyl Isocyanate is a specialized aromatic isocyanate monomer, a key building block for synthesizing advanced polymers and fine chemicals. Its unique structure, featuring both chloro and difluoromethoxy substituents, provides exceptional reactivity and imparts valuable properties to the final materials. This high-purity intermediate is essential for research and production in the agrochemical and pharmaceutical industries, where it is used to create novel active ingredients and functional materials.

Application

• Agrochemical Synthesis: A critical precursor for the development of next-generation herbicides, fungicides, and insecticides, where the difluoromethoxy group enhances biological activity and metabolic stability.
• Pharmaceutical Intermediates: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds targeting specific receptors or enzymes.
• Polymer & Resin Modification: Used to produce specialized polyurethanes, polyureas, and other polymers with tailored properties such as chemical resistance, weatherability, and specific surface characteristics.
• Liquid Crystal & Electronic Materials: Employed in the synthesis of advanced functional materials for electronic applications, including liquid crystal displays (LCDs) and organic semiconductors.
• Cross-linking Agent: Functions as an effective cross-linker for coatings, adhesives, and elastomers, improving durability and performance under demanding conditions.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in organic and medicinal chemistry for exploring new molecular entities.

Basic Information

Product Name	3-Chloro-4-(Difluoromethoxy)Phenyl Isocyanate
CAS No.	39479-97-5
Molecular Formula	C8H4ClF2NO2
Molecular Weight	219.57 g/mol
Synonyms	3-Chloro-4-(difluoromethoxy)phenyl isocyanate; 1-Chloro-2-isocyanato-5-(difluoromethoxy)benzene; 4-(Difluoromethoxy)-3-chlorophenyl isocyanate; Isocyanic acid, 3-chloro-4-(difluoromethoxy)phenyl ester; 39479-97-5; 3-Chloro-4-difluoromethoxyphenyl isocyanate
EINECS	Contact for details

Quality Control

Our 3-Chloro-4-(Difluoromethoxy)Phenyl Isocyanate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing assay, identity, and impurity profiles. Our quality commitment supports compliance with relevant standards for advanced chemical synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its highly volatile and reactive nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) at temperatures between 2°C and 8°C to maximize stability. Keep away from moisture, heat, and incompatible materials such as strong bases, alcohols, and amines.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~1.5 g/cm³

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