| Appearance | Clear, colourless to pale yellow liquid/crystals |
| Boiling Point | 285°C |
| Melting Point | 20–27.5 °C (literature range) |
| pH of Liquid, Typical (10% soln) | ≈ 6–8 (very mild; near neutral in water; dependent on source and water content) |
| Specific Gravity Approx | 1.26 – 1.27 g/cm³ at 20–30 °C |
| Odor | Mild, faint, slightly sulfur-like odor |
| Color | Colourless to pale yellow |
| Linear Formula | CH₂(CH₂)₃SO₂ (often written as C₄H₈O₂S) |
| IUPAC Name | 1,1-Dioxothiolane (systematic) or 2,3,4,5-tetrahydrothiophene-1,1-dioxide |
| Formula Weight | 120.17 g/mol |
| percent purity | ≥ 99.0 % typical for AR/GR grade; some batches specify ≥ 99.5 % depending on supplier analysis method |
| Physical Form | Liquid above ~27 °C; can crystallize to solid below its melting point; typically supplied as liquid or crystals depending on storage conditions |
| Chemical Name or Material | Sulfolane (synonym: Tetramethylene sulfone; 2,3,4,5-tetrahydrothiophene-1,1-dioxide) |
| Content / Assay Percent Range | Typically ≥ 99.0 % (GC / Dry basis) |
| 31347 |
Sulfolane is a highly polar, water-miscible solvent widely used in the petrochemical and refining industries. It is especially effective in aromatic extraction processes, helping separate valuable hydrocarbons with high efficiency and stability. Known for its excellent thermal and chemical resistance, Sulfolane ensures consistent performance under demanding industrial conditions. Sarchem Labs supplies high-purity Sulfolane suitable for laboratory research and large-scale industrial applications.
Synonym: sulfolane, tetramethylene sulfone, tetrahydrothiophene 1,1-dioxide, sulfolan, sulpholane, sulfalone, sulphoxaline, 1,1-dioxothiolan, dioxothiolan, thiophan sulfone
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