SULFOLANE

Sulfolane-1

Brand Name:ADDOLANE™

Systematic Name: 2,3,4,5-Tetrahydrothiophene-1,1-dioxide; Molecular Formula: C4H8O2S; Molecular Mass: 120.17 g/mol; Density: 1.26 g/cm³; Boiling point: 285 °C; Sweetish faint odor; Hygroscopic in nature and dissolves in water; Colorless clear liquid.

 

Is an organosulfur compound.  It is commonly used in the chemical industry as a dipolar aprotic solvent in many chemical reactions and chiefly utilized for extractive distillation. Its key applications are aromatics extraction also known as BTX extraction and in gas sweetening process called Sulfinol Gas Treatment Process. Because of its high thermal stability, sulfolane can be operated at wide range of temperatures.

Grades:

  • Sulfolane – Anhydrous (Water content less than 0.25%)
  • Sulfolane – Aqueous (Water content less than 3.0%)
  • Sulfolane - Electronics Grade (Same as Aqueous but metal content in ppm & ppb level)

 

Uses:

  • Acid gas treatment
  • Aromatic extraction
  • Chemical syntheses especially in pharmaceutical sector
  • Formulation of printing inks
  •  In textile processing
  • Electronics and Electrolysis
  •  In Fractionation

 

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