Description

Ethanesulfonamide is a versatile organosulfur compound featuring a sulfonamide functional group, serving as a key building block and intermediate in advanced chemical synthesis. Its structural motif is highly valued for introducing sulfonamide pharmacophores, which are critical for modulating biological activity and physicochemical properties in active molecules. This makes it an essential raw material for research and development chemists and process engineers in the pharmaceutical and agrochemical industries, where it is used to create novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs containing sulfonamide groups, such as certain diuretics, antibiotics, and COX-2 inhibitors.
• Agrochemical Synthesis: Used in the development of modern herbicides, fungicides, and pesticides, where the sulfonamide moiety can enhance efficacy and environmental profile.
• Chemical Research & Development: Serves as a fundamental building block in medicinal chemistry for structure-activity relationship (SAR) studies and the creation of compound libraries.
• Material Science: Investigated as a monomer or additive for producing specialty polymers with specific thermal or solubility characteristics.
• Dye and Pigment Industry: Acts as an intermediate in the synthesis of certain sulfonamide-based dyes and colorants.

Basic Information

Product Name	Ethanesulfonamide
CAS No.	1520-70-3
Molecular Formula	C2H7NO2S
Molecular Weight	109.15 g/mol
Synonyms	Ethanosulfonamide; Ethylsulfonamide; 1-Ethanesulfonamide; NSC 403697; Sulfonamide, N-ethyl-; Ethanesulfonic acid amide; Aminoethanesulfonic acid amide; ESA
EINECS	Contact for details

Quality Control

Our Ethanesulfonamide is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for pharmaceutical and fine chemical applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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