Description

Sodium Ethanesulfinate is a versatile organosulfur compound widely used as a key reagent and intermediate in organic synthesis. Its primary value lies in its role as a sulfinate salt, which is crucial for introducing the ethanesulfonyl group into target molecules and for participating in various sulfur-based coupling reactions. This chemical is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it facilitates the creation of sulfones and other sulfur-containing compounds.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfone moieties.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents that utilize sulfinate chemistry.
• Polymer Modification: Acts as a functional monomer or additive to introduce sulfinate groups into polymer chains, altering material properties.
• Organic Synthesis Reagent: Employed in key reactions such as sulfonylation, cross-coupling, and as a precursor for generating sulfonyl radicals.
• Chemical Research & Development: Serves as a fundamental reagent in medicinal chemistry and material science research for exploring new molecular entities.
• Electrolyte Additive: Investigated for use in battery electrolyte formulations to improve performance and stability.

Basic Information

Product Name	Sodium Ethanesulfinate
CAS No.	20035-08-9
Molecular Formula	C2H5NaO2S
Molecular Weight	116.11 g/mol
Synonyms	Ethanesulfinic acid sodium salt; Sodium ethanesulphinate; Ethylsulfinic acid sodium salt; Sodium ethylsulfinate; 1-Ethanesulfinic acid sodium salt; ESA-Na; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our Sodium Ethanesulfinate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our industrial and research partners. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

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). Due to its hygroscopic and easily oxidized nature, it is recommended to handle under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm

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