Sulfolane (126-33-0)
Basic Information
1. Chemical Name: Sulfolane
2. Chinese Aliases: Tetrahydrothiophene-1,1-dioxide; Tetrahydrothiophene sulfone
3. English Name: Sulfolane
4. Molecular Formula: C₄H₈O₂S
5. Molecular Weight: 120.17
6. CAS Number: 126-33-0
7. EINECS Number: 204-783-1
8. Appearance: Colorless transparent liquid or crystalline solid, slightly characteristic odor, hygroscopic, soluble in water and various organic solvents.
Technical Specifications
Item
Specification
Industrial Sulfolane
Dry Sulfolane
Appearance
Colorless or light yellow liquid
Colorless or light yellow crystalline solid
Density (30℃), kg/m³
1260-1270
1260-1270
Distillation Range
Temp. at 5% distillation, ℃ ≥
282
282
Temp. at 95% distillation, ℃ ≤
288
288
Thermal stability, mgSO₂/kg ≤
16
16
Moisture, m/m % ≤
3.0
0.5
Sulfur content, m/m %
26.0-27.0
26.0-27.0
2-Cyclobutene sulfone, m/m % ≤
0.1
0.1
Isopropyl sulfolane ether, m/m % ≤
0.01
0.01
Ash content, m/m % ≤
0.01
0.01
Purity (dry basis), m/m % ≥
99.5
99.5
(The above parameters are for reference only; the specific values are subject to the factory inspection certificate.)
Packaging Specifications
Standard packaging is 200kg galvanized iron drums or IBC ton barrels (about 1000kg). Small packaging can also be provided according to customer requirements.