Description

3-Methylsulfolane is a high-purity, polar aprotic solvent with excellent chemical and thermal stability. Its unique properties make it a valuable component in advanced chemical synthesis and specialized industrial processes. This compound is particularly sought after by manufacturers in the pharmaceutical, agrochemical, and electronics industries for applications requiring a robust and selective solvent medium.

Application

• As a high-performance solvent for extraction processes, particularly in gas purification and petrochemical refining.
• A key reaction medium in pharmaceutical synthesis for APIs (Active Pharmaceutical Ingredients) requiring stringent purity.
• Utilized in the formulation of agrochemicals, including pesticides and herbicides, where solvent stability is critical.
• As a component in polymer and resin production, acting as a processing aid or polymerization solvent.
• In electrolyte formulations for specialty batteries and electrochemical applications.
• As a solvent for organic synthesis and catalysis, especially in reactions involving organometallic compounds.
• Used in the electronics industry for cleaning and degreasing precision components.

Basic Information

Product Name	3-Methylsulfolane
CAS No.	872-93-5
Molecular Formula	C5H10O2S
Molecular Weight	134.20 g/mol
Synonyms	3-Methyltetrahydrothiophene 1,1-dioxide; 3-Methylsulfolane; 3-Methylthiolane 1,1-dioxide; 3-Methyl-1,1-dioxothiolane; 3-Methyltetramethylene sulfone; Methylsulfolane; 3-Methylsulfolane solvent
EINECS	212-825-4

Quality Control

Our 3-Methylsulfolane is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for industrial and fine chemical applications. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.2%
Refractive Index (n20D)	1.480 - 1.484
Density (20°C)	1.180 - 1.190 g/mL

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