Description

Diethyl Sulfoxide is a versatile organosulfur compound with unique solvating properties. It serves as a high-boiling polar aprotic solvent and a valuable intermediate in organic synthesis, offering distinct reactivity compared to dimethyl sulfoxide (DMSO). This chemical is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking advanced reaction media and building blocks.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Specialty Solvent: Acts as a polar aprotic solvent for various chemical reactions, including alkylations and polymerizations.
• Agrochemical Synthesis: Employed as a key reagent or solvent in the production of pesticides and herbicides.
• Electrolyte Component: Investigated for use in advanced battery systems and electrochemical applications.
• Chemical Research: Serves as a model compound and reagent in organic chemistry research and development.
• Polymer Industry: Utilized as a solvent or additive in the production and processing of certain polymers.

Basic Information

Product Name	Diethyl Sulfoxide
CAS No.	70-29-1
Molecular Formula	C4H10OS
Molecular Weight	106.19 g/mol
Synonyms	Ethyl Sulfinyl Ethane; Ethylsulfinylethane; Diethylsulfoxide; DESO; Sulfinylbisethane; 1,1'-Sulfinylbisethane; Ethyl Sulfoxide
EINECS	200-729-1

Quality Control

Our Diethyl Sulfoxide is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and consistency. Certificates of Analysis (COA) documenting results for assay, impurities, and physical properties are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, keep the container tightly sealed to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.430 - 1.435
Density (20°C)	1.00 - 1.05 g/mL

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