Description

2-(Chlorosulfonyl)Ethyl Acetate is a versatile and reactive chemical intermediate featuring both chlorosulfonyl and ester functional groups. This bifunctional nature makes it a critical building block for synthesizing more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought after by R&D chemists and process development teams for constructing sulfonamide derivatives, active pharmaceutical ingredients (APIs), and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Polymer Modification: Serves as a functional monomer or cross-linking agent for specialty polymers and coatings.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of sulfonated dyes and colorants.
• Chemical Research & Development: A valuable reagent for exploring new synthetic pathways in medicinal and organic chemistry.
• Surfactant Production: Potential building block for specialized anionic surfactants.

Basic Information

Product Name	2-(Chlorosulfonyl)Ethyl Acetate
CAS No.	78303-71-6
Molecular Formula	C4H7ClO4S
Molecular Weight	186.61 g/mol
Synonyms	Acetic Acid 2-(Chlorosulfonyl)ethyl Ester; 2-Acetoxyethylsulfonyl Chloride; Ethanol, 2-(chlorosulfonyl)-, acetate; 2-(Chlorosulphonyl)ethyl Acetate; NSC 406924; β-Acetoxyethanesulfonyl Chloride
EINECS	Contact for details

Quality Control

Our 2-(Chlorosulfonyl)Ethyl Acetate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including assay by GC/HPLC and impurity profiling, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/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.