Description

4-Ethylbenzenesulfinate is an organosulfur compound featuring a sulfinate functional group attached to an ethyl-substituted benzene ring. This structure makes it a valuable intermediate and reagent in synthetic organic chemistry, particularly for the construction of sulfone and sulfonamide derivatives. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of sulfone-containing drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of novel herbicides, fungicides, and insecticides that incorporate sulfonyl groups.
• Polymer & Material Science: Serves as a monomer or modifying agent for creating specialty polymers with specific thermal or chemical resistance properties.
• Organic Synthesis Reagent: Employed in cross-coupling reactions and as a nucleophilic sulfinylating agent in academic and industrial R&D laboratories.
• Ligand & Catalyst Preparation: Useful for synthesizing chiral sulfinyl ligands used in asymmetric catalysis.
• Chemical Research: Fundamental reagent for studying reaction mechanisms and developing new sulfonation methodologies.

Basic Information

Product Name	4-Ethylbenzenesulfinate
CAS No.	89520-66-1
Molecular Formula	C8H10O2S
Molecular Weight	170.23 g/mol
Synonyms	p-Ethylbenzenesulfinate; 4-Ethylbenzenesulfinic Acid; Benzenesulfinic acid, 4-ethyl-; (4-Ethylphenyl)sulfinate; p-Ethylphenylsulfinate; 4-Ethylphenylsulfinic Acid; Ethylbenzenesulfinate
EINECS	Contact for details

Quality Control

Our 4-Ethylbenzenesulfinate is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and NMR/IR for structural confirmation, to ensure it meets exacting standards for research and industrial use. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability, consistency, and reliability for your critical processes.

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 nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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