Sulfolane

C4H8O2SCAS 126-33-0120.17 g/mol

OSO
Sulfone

Properties

Molecular formula
C4H8O2S
Molar mass
120.17 g/mol
Exact mass
120.0245 Da
Density
1.2606 g/mL (at 30 °C)
Melting point
27.4–27.8 °C
Boiling point
285 °C
Water solubility
miscible (30 °C)
logP
0.20Crippen estimate
Polar surface area
34.1 Ų
H-bond donors / acceptors
0 / 2
Rotatable bonds
0

Hazards

Warning
Irritant (GHS07)

Harmonised EU classification (CLP Annex VI), via PubChem.

Precautionary statements

P264, P270, P301+P317, P330, P501

Identifiers

CAS number
126-33-0
SMILES
O=S1(=O)CCCC1
InChIKey
HXJUTPCZVOIRIF-UHFFFAOYSA-N
InChI
InChI=1S/C4H8O2S/c5-7(6)3-1-2-4-7/h1-4H2

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Names and synonyms

19 names · show all
  • Thiophene, tetrahydro-, 1,1-dioxide
  • Cyclic tetramethylene sulfone
  • Cyclotetramethylene sulfone
  • Sulfolan
  • Tetrahydrothiophene 1,1-dioxide
  • Tetramethylene sulfone
  • 1,1-Dioxothiolan
  • Bondolane A
  • Thiacyclopentane dioxide
  • Tetrahydrothiophene dioxide
  • Sulpholane
  • Thiophane dioxide
  • Bondelane A
  • Thiophane 1,1-dioxide
  • Thiolane 1,1-dioxide
  • Tetrahydrothiophene S,S-dioxide
  • NSC 46443
  • Sulfolane SG
  • 1λ6-Thiolane-1,1-dione

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 126-33-0. Each row opens the sheet with its composition and PDF.

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Work with Sulfolane

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere