Sulfolane 99.5% CAS#126-33-0
High Solubility for Aromatics: Effectively dissolves aromatic hydrocarbons, enhancing extraction efficiency.
Excellent Selectivity: Provides strong selectivity toward aromatics, ensuring precise separation performance.
Outstanding Thermal Stability: Maintains stable performance under high-temperature conditions, supporting reliable industrial operations.
Low Volatility and Safe Handling: Features low vapor pressure, low toxicity, and is non-corrosive to carbon steel, ensuring safer use and reduced equipment impact.
Product Description of Sulfolane (CAS#126-33-0)
Sulfolane is a highly effective solvent characterized by strong solubility for aromatic hydrocarbons and excellent selectivity. It offers superior thermal stability, along with low vapor pressure and low toxicity. Additionally, it is non-corrosive to carbon steel, making it suitable for industrial use.
Owing to these advantages, sulfolane-based extraction technology has become one of the most widely adopted methods for the extraction of aromatic hydrocarbons worldwide.
Sulfolane Chemical Properties
| Melting point | 20-26 °C (lit.) |
| Boiling point | 104 °C/0.2 mmHg (lit.) 285 °C (lit.) |
| Density | 1.261 g/mL at 25 °C (lit.) |
| Vapor density | 4.2 (vs air) |
| Vapor pressure | 0.01 mm Hg ( 20 °C) |
| Refractive index | n20/D 1.484(lit.) |
| Fp | 330 °F |
| Storage temp | Store below +30°C. |
| Solubility | >=100g/l soluble |
| Form | Liquid After Melting |
| Color | Clear yellow |
| Water Solubility | soluble |
| FreezingPoint | 26℃ |
| Sensitive | Hygroscopic |
| Merck | 148955 |
| BRN | 107765 |
| Dielectric constant | 44 |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| InChIKey | HXJUTPCZVOIRIF-UHFFFAOYSA-N |
| LogP | 0 at 20℃ |
| CAS DataBase Reference | 126-33-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Thiophene, tetrahydro-, 1,1-dioxide(126-33-0) |
| EPA Substance Registry System | Sulfolane (126-33-0) |
Safety Information
| Hazard Codes | Xn |
| Risk Statements | 22 |
| Safety Statements | 23-25 |
| WGK Germany | 1 |
| RTECS | XN0700000 |
| TSCA | Yes |
| HS Code | 29349990 |
| Hazardous Substances Data | 126-33-0(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 1.54 ml/kg (Smyth) |




