Description

S-Sodium Ethanethiosulfonate is a specialized organosulfur compound with significant utility as a versatile building block and reagent in advanced chemical synthesis. Its unique thiosulfonate functional group makes it a valuable intermediate for introducing sulfur-containing motifs into target molecules. This product is essential for research and development laboratories, as well as production facilities, in the pharmaceutical, agrochemical, and material science sectors seeking to develop novel compounds with specific properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfonamide or disulfide linkages.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the ethanethiosulfonate moiety contributes to biological activity.
• Polymer Modification: Acts as a functional monomer or cross-linking agent to impart specific chemical resistance or adhesion properties to specialty polymers.
• Chemical Research Reagent: Employed in organic synthesis for sulfenylation reactions, the formation of S-S bonds, and as a precursor to other sulfur derivatives.
• Ligand Synthesis: Useful for preparing sulfur-based ligands used in catalysis and metal complexation studies.

Basic Information

Product Name	S-Sodium Ethanethiosulfonate
CAS No.	31999-88-9
Molecular Formula	C2H5NaO2S2
Molecular Weight	148.18 g/mol
Synonyms	Sodium Ethyl Thiosulfonate; Sodium Ethanethiosulfonate; Ethanesulfonothioic Acid S-Sodium Salt; Ethylsulfonothioic Acid Sodium Salt; Bunte Salt of Ethane; Sodium S-Ethyl Thiosulfate; 2-Sulfonatoethanethiolate Sodium Salt
EINECS	Contact for details

Quality Control

Our S-Sodium Ethanethiosulfonate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the stringent requirements of our industrial and research clients. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, identity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent decomposition.

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	≤ 0.5%

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