Polar solvent (sulfone compounds) Sulfolane
Feature
- Polar solvents having boiling points of 200°C or higher and high thermal stability.
- Highly resistant to hydrolysis, stable against alkalis and acids.
- High dielectric constant and readily soluble in various electrolytes.
Sulfolane is new polar solvents developed with organic sulfur compound synthesis technology of SUMITOMO SEIKA CHEMICALS. In combination with Sulfolane, they can be used as electrolytes for various electronic devices and as polar solvents for various reactions.
Applications
- Electrolyte solvents for batteries, condensers, capacitors, solar batteries, etc.
- Solvent for semiconductor cleaning.
- Extraction solvent for removal of Benzene / Toluene / Xylene
- Reaction solvent
Properties
| CAS No. | Viscosity | m.p. | b.p. | Permittivity | |
|---|---|---|---|---|---|
| Sulfolane Tetrahydrothiophene 1,1-dioxide |
126-33-0 | 10 mPa･s(30℃) | 27℃ | 285℃ | 44(30℃) |
Sulfolane General Specification
| Item | Specification |
|---|---|
| Purity | 97.0～98.0% |
| Water | 2.0～3.0% |
Special Specification for Electronic Grade
| Item | Specification |
|---|---|
| Purity | 99.9% min. |
| Metal | Consultation Required |
