Description

2,4-Dimethylsulfolane is a high-purity, versatile sulfone derivative valued for its excellent solvent properties and thermal stability. This compound serves as a critical component in high-performance applications where selective solvency and chemical inertness are paramount. It is essential for manufacturers and R&D facilities in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable, high-quality process solvents.

Application

• Selective Solvent in Gas Purification: Used in processes like Sulfinol® for the selective removal of acidic gases (e.g., H₂S, CO₂) from natural gas and refinery streams.
• Reaction Solvent & Medium: An inert, high-boiling polar aprotic solvent for organic synthesis, polymerization, and extraction processes in pharmaceutical and fine chemical manufacturing.
• Electrolyte Component: Investigated for use in advanced battery electrolytes due to its stability and solvating power for lithium salts.
• Polymer & Fiber Processing: Employed as a spinning solvent or plasticizer in the production of specialty polymers and synthetic fibers.
• Chemical Intermediate: Serves as a building block for synthesizing other sulfolane derivatives and specialty chemicals.
• Formulation Component: Used in industrial formulations requiring a stable, high-boiling point solvent with low volatility.

Basic Information

Product Name	2,4-Dimethylsulfolane
CAS No.	1003-78-7
Molecular Formula	C₆H₁₂O₂S
Molecular Weight	148.22 g/mol
Synonyms	2,4-Dimethyltetrahydrothiophene 1,1-dioxide; 2,4-Dimethylsulfolane; 2,4-Dimethylthiolane 1,1-dioxide; 2,4-Dimethyl-1λ⁶-thiolane-1,1-dione; NSC 66400; Sulfolane, 2,4-dimethyl-; 2,4-Dimethyltetramethylene sulfone
EINECS	213-710-6

Quality Control

Our 2,4-Dimethylsulfolane is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and physical properties. A Certificate of Analysis (COA) detailing the results is provided with each shipment to guarantee traceability and compliance with your technical requirements.

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 strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.470 - 1.474
Density (20°C)	1.130 - 1.150 g/mL
Boiling Point	~ 285°C

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