Description

2-Chloro-2-(Chlorothio)Butanoyl Chloride is a highly reactive organosulfur acid chloride derivative, serving as a critical building block in advanced organic synthesis. Its unique structure, featuring both chloro and chlorothio substituents, makes it an indispensable reagent for introducing functional complexity into target molecules. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those containing sulfur-based pharmacophores.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides requiring specific chlorothio functionalities.
• Polymer Chemistry: Acts as a monomer or modifying agent for creating specialty polymers with tailored properties like adhesion or chemical resistance.
• Chemical Research & Development: A versatile reagent for constructing complex heterocycles and conducting acylative chlorination reactions in academic and industrial labs.
• Ligand and Catalyst Preparation: Employed in the synthesis of specialized ligands for metal catalysis and organocatalysis.
• Material Science: Used in surface modification and the creation of advanced organic materials.

Basic Information

Product Name	2-Chloro-2-(Chlorothio)Butanoyl Chloride
CAS No.	56701-12-3
Molecular Formula	C4H5Cl3OS
Molecular Weight	207.51 g/mol
Synonyms	2-Chloro-2-(chlorothio)butanoyl chloride; Butanoyl chloride, 2-chloro-2-(chlorothio)-; 2-Chloro-2-(chlorosulfanyl)butanoyl chloride; α-Chloro-α-(chlorothio)butyryl chloride; NSC 403119; 2-Chloro-2-chlorothiobutanoyl chloride; 2-Chloro-2-(chlorosulfanyl)butyryl chloride
EINECS	Contact for details

Quality Control

Every batch of 2-Chloro-2-(Chlorothio)Butanoyl Chloride is manufactured and tested under strict quality management protocols. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Due to its properties as a strong acid/organic solvent, high volatility, and hygroscopic (moisture-sensitive) nature, it must be kept under an inert atmosphere (e.g., nitrogen or argon) and handled in a fume hood. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
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.