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86148

Sulfolane

puriss., ≥99.5% (GC)

Synonym(s):

Tetrahydrothiophene 1,1-dioxide, Tetramethylene sulfone

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About This Item

Empirical Formula (Hill Notation):
C4H8O2S
CAS Number:
126-33-0
Molecular Weight:
120.17
EC Number:
204-783-1
UNSPSC Code:
12352100
MDL number:
MFCD00005484
Beilstein/REAXYS Number:
107765
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vapor density

4.2 (vs air)

vapor pressure

0.01 mmHg ( 20 °C)

grade

puriss.

assay

≥99.5% (GC)

impurities

≤2% water

refractive index

n20/D 1.484 (lit.), n20/D 1.485

bp

104 °C/0.2 mmHg (lit.), 285 °C (lit.)

mp

20-26 °C (lit.)

density

1.261 g/mL at 25 °C (lit.)

SMILES string

O=S1(=O)CCCC1

InChI

1S/C4H8O2S/c5-7(6)3-1-2-4-7/h1-4H2

InChI key

HXJUTPCZVOIRIF-UHFFFAOYSA-N

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pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 1

flash_point_f

350.6 °F - closed cup

flash_point_c

177 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

target_organs

Immune system

Hazard Classifications

Acute Tox. 4 Oral - Repr. 1B - STOT RE 2

Regulatory Information

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E A Greene et al.
Environmental technology, 22(6), 619-629 (2001-08-03)
Natural gas in western Canada can contain up to 35% H2S. The Sulfinol process for sour gas treatment makes use of sulfolane and an amine to remove H2S and other sour components from natural gas. Sulfolane has leached into groundwaters
Conversion of fructose into 5-(hydroxymethyl)furfural in sulfolane.
Benjamin R Caes et al.
ChemSusChem, 4(3), 353-356 (2011-03-12)
S P Gupta et al.
Bioorganic & medicinal chemistry, 6(11), 2185-2192 (1999-01-09)
A quantitative structure-activity relationship (QSAR) study on some sulfolanes and arylthiomethanes acting as human immunodeficiency virus-1 (HIV-1) protease inhibitors reveals that in the case of sulfolanes an octahydropyrindene ring and a five-membered 3(S)-sulfolane ring with a hydrophobic 2-substituent (cis to
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