Description

3,4-Dimethoxysulpholane is a high-purity, functionalized sulfolane derivative characterized by its unique cyclic sulfone structure with methoxy substituents. This compound serves as a valuable specialty solvent and chemical intermediate, offering a favorable combination of high polarity, thermal stability, and low volatility. It is primarily utilized in advanced organic synthesis, pharmaceutical manufacturing, and as a component in specialized electrolyte formulations for high-performance batteries. The product is supplied to meet the stringent quality requirements of research, development, and industrial-scale production.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs) where its polar aprotic nature facilitates challenging reactions.
• Specialty Solvent: Employed as a high-boiling, polar solvent for organic synthesis, polymerization, and crystallization processes, particularly where conventional solvents are inadequate.
• Electrolyte Component: Serves as a co-solvent or additive in advanced lithium-ion and other battery electrolyte systems to enhance conductivity, stability, and safety.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and material science applications.
• Gas Treating & Separation: Potential application as a physical solvent for the selective removal of acidic gases (e.g., CO2, H2S) from process streams due to its sulfolane-based structure.
• Polymer Industry: Can be used as a processing aid or solvent in the production of high-performance polymers and resins.

Basic Information

Product Name	3,4-Dimethoxysulpholane
CAS No.	27529-59-5
Molecular Formula	C6H12O4S
Molecular Weight	180.22 g/mol
Synonyms	3,4-Dimethoxysulfolane; 3,4-Dimethoxy-tetrahydrothiophene 1,1-dioxide; Tetrahydro-3,4-dimethoxythiophene 1,1-dioxide; 3,4-Dimethoxy-thiolane 1,1-dioxide; Sulfolane, 3,4-dimethoxy-
EINECS	Contact for details

Quality Control

Our 3,4-Dimethoxysulpholane is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay (HPLC/GC), identity confirmation (IR, NMR), and impurity profiling, to ensure it meets defined specifications and is suitable for its intended applications. A Certificate of Analysis (COA) documenting all test results is provided with every shipment. We can support compliance requirements for cGMP, ISO, and other relevant quality standards upon request.

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, strong acids, and strong bases. For long-term storage, consider using an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC/GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Gravity (20°C)	Contact for details
Refractive Index (20°C)	Contact for details

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