Identification:
Chemical Name: Sulfolane
Synonyms: Tetramethylene sulfone; Tetrahydrothiophene dioxide
CAS No.: 126-33-0
Structural Formula:
Molecular Formula: C4H8O2S

Properties:
Sulfolane is a colorless and tasteless soild at room temperature with M.P. 27.4-27.8°C. Sulfolane has high solubility property and selectivity.Sulfolane is solubled in water with arbitrary ratio,also solubled in aromatics and alcohol easily.

Specifications:
Items Standards
Appearance colorless to light yellow transparent liquid
Purity(dry base) % ≥99.5
Moisture % (m/m) ≤3.0
Ash %m/m ≤0.1
Density(30°C)g/ml 1.26-1.27
5% distillation temperature °C ≥282
10% distillation temperature °C ≤288
Heat stability mgSO2/kg ≤20
Sulfur content % (m/m) 26.0-27.0
2-cyclobutene sulfone aether% (m/m) ≤0.2
Isopropyl butylene sulfone aether% (m/m) ≤0.2


Application:
It is widely used as excellent solvent for aromatic extraction and removing sulphur from natural gas. Sulfolane is a multi-effective solvent with high purity and high boiling point, so it is suitable for chemical industry .This solvent can be used for the halogenate,methylization,organic synthesis,condensation and polymerization reaction in the field of pharmaceutical chemicals,agricltural chemicals,dyestuff,perfume,special industrial plastic and some other chemicals.

Packing& tranportaion:
250KG/drum(200L new galvanized drum with nitrogen blanket) or ISO TANK.
Transported as common commodity.