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Specifications
| Appearance: | White powder |
| Purity: | 99.50% min |
| Moisture (ppm): | 200 max |
| Acidity (as HF): | 200 max |
| Color (Hazen): | 40 max |
Applications
1. Industrial Solvent
Widely used as a high-boiling polar aprotic solvent in chemical synthesis and industrial processes.
Excellent solvent for gas treating processes, such as removal of sulfur compounds and other impurities in natural gas and petroleum refining.
Used in extraction and purification of aromatic hydrocarbons.
2. Electrochemistry
Utilized as a solvent or co-solvent in battery electrolytes, especially for lithium-ion and other advanced batteries.
Its high dielectric constant and stability improve ionic conductivity.
3. Chemical Synthesis
Employed as a reaction medium in various organic syntheses requiring a polar, non-reactive solvent.
Used in polymerization and other industrial chemical processes.
4. Pharmaceutical Industry
Occasionally used as a solvent or intermediate in drug manufacturing.
Benefits
High Thermal Stability: Can be used at elevated temperatures without degradation.
Polar Aprotic Solvent: Facilitates reactions involving polar substrates and strong nucleophiles.
Low Volatility: Reduces solvent loss and exposure risks.
Chemical Inertness: Does not easily react with many reagents, providing a stable reaction environment.
Efficient Gas Treatment: Enhances removal of sulfur and other acidic gases from natural gas streams.
Conclusion
1,3,2-Dioxathiane 2,2-dioxide (Sulfolane, CAS 1073-05-8) is a highly stable, polar aprotic solvent widely used in industrial chemical processes, gas treatment, and electrochemical applications. Its unique combination of thermal stability, solvent properties, and chemical inertness make it valuable across petrochemical, battery, and pharmaceutical industries.
