Description

2-Chloroethanesulfonic Acid Sodium Salt is a versatile organosulfur compound widely used as a key intermediate and reagent in organic synthesis. Its primary value lies in its ability to introduce the sulfonic acid functional group and serve as a precursor for various sulfonate derivatives. This chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is utilized in the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring sulfonate or sulfonamide moieties.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents that incorporate sulfonic acid groups for enhanced activity or solubility.
• Chemical Research & Development: Serves as a versatile reagent for introducing the 2-chloroethanesulfonyl group in organic transformations and material science applications.
• Surfactant & Detergent Precursor: Acts as a starting material for the manufacture of specialized anionic surfactants and detergent additives.
• Polymer Modification: Employed to functionalize polymers and resins, imparting ionic character or improving compatibility with other materials.
• Bioconjugation & Protein Chemistry: Useful as a linker or modifying agent in biochemical research for labeling or cross-linking biomolecules.

Basic Information

Product Name	2-Chloroethanesulfonic Acid Sodium Salt
CAS No.	18024-00-5
Molecular Formula	C2H4ClNaO3S
Molecular Weight	166.56 g/mol
Synonyms	Sodium 2-Chloroethanesulfonate; Sodium Chloroethanesulfonate; 2-Chloroethanesulfonate Sodium Salt; Ethanesulfonic Acid, 2-Chloro-, Sodium Salt; NSC 401565; Chloroethylsulfonic Acid Sodium Salt; CES Sodium Salt
EINECS	241-952-1

Quality Control

Our 2-Chloroethanesulfonic Acid Sodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture, which can affect quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
pH (5% solution)	5.0 - 7.0

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