Description

4-Chlorophenyl Chloroformate is a versatile and highly reactive chemical intermediate, primarily used as a key building block in organic synthesis. Its value lies in its ability to introduce the 4-chlorophenyloxycarbonyl group, facilitating the synthesis of complex molecules with high efficiency and selectivity. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and polymer industries, where it is used to create active ingredients, functional monomers, and specialty chemicals.

Application

• Pharmaceutical Intermediate: A critical reagent in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing carbamate and carbonate linkages in prodrugs and drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where it serves as a precursor for compounds with specific biological activity.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty polymers, polycarbonates, and resins with enhanced thermal or chemical resistance.
• Peptide Chemistry: Employed as a coupling agent or protecting group reagent in the synthesis of peptides and modified amino acids.
• Chemical Research & Development: A valuable tool in academic and industrial R&D labs for exploring new synthetic pathways and creating novel chemical entities.
• Dye and Pigment Manufacturing: Utilized in the synthesis of advanced colorants and functional dyes.

Basic Information

Product Name	4-Chlorophenyl Chloroformate
CAS No.	7693-45-0
Molecular Formula	C7H4Cl2O2
Molecular Weight	191.01 g/mol
Synonyms	4-Chlorophenyl carbonochloridate; p-Chlorophenyl chloroformate; Chloroformic acid 4-chlorophenyl ester; Carbonochloridic acid, 4-chlorophenyl ester; 4-Chlorophenoxycarbonyl chloride; p-Chlorophenoxycarbonyl chloride
EINECS	231-705-6

Quality Control

Our 4-Chlorophenyl Chloroformate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for sensitive synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality commitment ensures batch-to-batch consistency and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its moisture-sensitive (hygroscopic) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, amines, and alcohols.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 1.0%

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