Description

3-Chlorophenyl Chlorothioformate is a specialized organosulfur reagent used as a key intermediate in advanced organic synthesis. Its primary value lies in its role as a versatile building block for constructing complex molecules, particularly in the development of pharmaceuticals and agrochemicals. This compound is essential for researchers and manufacturers in fine chemical, pharmaceutical, and crop protection industries seeking to introduce specific functional groups into their target molecules.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing thioester or thiocarbamate moieties.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, where the chlorophenyl group confers specific biological activity.
• Polymer Chemistry: Serves as a monomer or chain-transfer agent in the synthesis of specialty polymers with unique thermal or chemical resistance properties.
• Chemical Research & Development: Employed in academic and industrial R&D labs for method development and the creation of novel chemical entities.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of sulfur-containing dyes and organic pigments.
• Ligand and Catalyst Preparation: Useful for the functionalization of ligands and the preparation of organometallic catalysts used in cross-coupling reactions.

Basic Information

Product Name	3-Chlorophenyl Chlorothioformate
CAS No.	2812-85-3
Molecular Formula	C7H4Cl2OS
Molecular Weight	207.08 g/mol
Synonyms	3-Chlorophenyl Chlorothioformate; Chlorothioformic Acid O-(3-Chlorophenyl) Ester; (3-Chlorophenoxy)carbonyl Chloride Sulfide; m-Chlorophenyl Chlorothioformate; 3-Chlorophenyl Chlorosulfanylmethanoate; Carbonochloridothioic Acid O-(3-Chlorophenyl) Ester; Thiocarbonyl Chloride O-(3-Chlorophenyl) Ester
EINECS	220-575-5

Quality Control

Our 3-Chlorophenyl Chlorothioformate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for demanding synthetic applications. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, oxidizing agents, and sources of ignition. Due to its highly volatile nature, containers should be kept tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.45 g/cm³

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