Description

2-Chlorosulfonyl-2-Methylpropionicacidethylester is a specialized organic sulfonyl chloride derivative, serving as a critical building block in advanced chemical synthesis. Its value lies in its bifunctional reactivity, offering both an electrophilic sulfonyl chloride group and an ester-protected carboxylic acid for sequential functionalization. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries who require high-purity intermediates for constructing complex molecules, such as active pharmaceutical ingredients (APIs) and novel crop protection agents.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of sulfonamide-based drugs and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides requiring specific sulfonyl functional groups.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for creating specialty polymers with unique properties.
• Organic Synthesis Reagent: Employed in research laboratories for introducing the chlorosulfonyl moiety into target molecules.
• Dye and Pigment Manufacturing: Serves as an intermediate in the production of certain sulfonated colorants.
• Ligand and Catalyst Development: Useful for synthesizing specialized ligands for metal complexes used in catalysis.

Basic Information

Product Name	2-Chlorosulfonyl-2-Methylpropionicacidethylester
CAS No.	55896-99-6
Molecular Formula	C7H11ClO4S
Molecular Weight	226.68 g/mol
Synonyms	Ethyl 2-(Chlorosulfonyl)-2-methylpropanoate; 2-Methyl-2-(chlorosulfonyl)propionic Acid Ethyl Ester; Ethyl 2-Methyl-2-(chlorosulfonyl)propionate; NSC 403107; Propanoic acid, 2-(chlorosulfonyl)-2-methyl-, ethyl ester
EINECS	Contact for details

Quality Control

Our production of 2-Chlorosulfonyl-2-Methylpropionicacidethylester adheres to stringent quality management protocols. Every batch is analyzed using advanced techniques including HPLC, GC, and NMR to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality system is designed to meet the rigorous demands of cGMP and ISO standards for fine chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Density (at 20°C)	~1.30 g/cm³

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