Description

Ethanesulfonic Acid Sodium Salt Mono- is a versatile organic sulfonate salt with significant utility in advanced chemical synthesis and formulation. Its primary value lies in its role as a key intermediate and buffering agent, offering excellent solubility and stability for demanding industrial processes. This compound is essential for manufacturers and researchers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable, high-purity raw materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Biochemical Research: Serves as a buffer component or reagent in enzymatic studies and protein purification protocols.
• Agrochemical Synthesis: Acts as a building block in the production of herbicides, fungicides, and other crop protection agents.
• Electroplating Additive: Functions as a brightening agent or stabilizer in specialized electroplating baths.
• Polymer Modification: Employed as a monomer or additive to impart sulfonate functionality to polymers, enhancing hydrophilicity.
• Catalyst and Ligand Preparation: Used in the preparation of metal complexes and catalysts for organic transformations.

Basic Information

Product Name	Ethanesulfonic Acid Sodium Salt Mono-
CAS No.	308103-56-2
Molecular Formula	C2H5NaO3S
Molecular Weight	132.11 g/mol
Synonyms	Sodium Ethanesulfonate; Ethanesulfonic Acid Sodium Salt; Sodium Monoethanesulfonate; 1-Ethanesulfonic Acid Sodium Salt; Sodium 1-Ethanesulfonate; ESA Sodium Salt; Ethanesulfonate Sodium Salt; NSC 401119
EINECS	Contact for details

Quality Control

Our Ethanesulfonic Acid Sodium Salt Mono- is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets stringent purity and consistency standards. A Certificate of Analysis (COA) detailing specific results for identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance 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) and must be kept in a dry environment to prevent caking or decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥98.0%
Water Content (KF)	≤2.0%
Heavy Metals (as Pb)	≤20 ppm
Residue on Ignition	≤0.1%
pH (5% solution)	6.0 - 8.0

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