Description

(Ethylsulfonyl)Acetic Acid is a versatile sulfonyl-containing organic acid building block with significant synthetic utility. Its unique structure makes it a valuable intermediate for introducing the ethylsulfonyl acetic acid moiety into more complex molecules. This compound is particularly sought after by researchers and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring sulfonamide or sulfone functionalities.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents.
• Organic Synthesis Reagent: Serves as a versatile reagent for introducing the -CH2COOH group adjacent to a sulfone, useful in various carbon-carbon bond forming reactions.
• Chemical Research & Development: A valuable starting material in academic and industrial R&D for exploring new chemical entities and reaction pathways.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, dyes, and functional materials.

Basic Information

Product Name	(Ethylsulfonyl)Acetic Acid
CAS No.	141811-44-1
Molecular Formula	C4H8O4S
Molecular Weight	152.17 g/mol
Synonyms	2-(Ethylsulfonyl)acetic Acid; Ethanesulfonylacetic Acid; Acetic Acid, (Ethylsulfonyl)-; 2-(Ethanesulfonyl)acetic Acid; (Ethylsulfonyl)ethanoic Acid; ESA; ESAA
EINECS	Contact for details

Quality Control

Our (Ethylsulfonyl)Acetic Acid is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic nature, it is recommended to handle the material under a dry atmosphere and reseal the container immediately after use to minimize exposure to moisture. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Melting Point	Contact for details

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