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T22209

Sigma-Aldrich

Sulfolane

99%

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
Beilstein/REAXYS Number:
107765
EC Number:
204-783-1
MDL number:
MFCD00005484
UNSPSC Code:
12352100
PubChem Substance ID:
24900023
NACRES:
NA.22

vapor density

4.2 (vs air)

Quality Level

200

vapor pressure

0.01 mmHg ( 20 °C)

assay

99%

refractive index

n20/D 1.484 (lit.)

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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Application

Sulfolane is a polar aprotic solvent that may be used for the complete pyrolysis of cellulose without any polymerization or carbonization side reaction. Sulfolane, in combination with mesitylene, can be used as a solvent in the synthesis of poly(succinimide) (PSI) from L-aspartic acid. It can also be used as a solvent in the synthesis of chlorine-terminated polyethersulfone oligomer, a polymeric activator for nylon 6-polyethersulfone (PES)-nylon 6 block copolymer synthesis.

pictograms

Exclamation markHealth hazard
GHS07,GHS08

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Repr. 1B

Storage Class

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

wgk_germany

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Nylon 6-polyethersulfone-nylon 6 block copolymer: synthesis and application as compatibilizer for polyethersulfone/nylon 6 blend.
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