T22209
Sulfolane
99%
Synonym(s):
Tetrahydrothiophene 1,1-dioxide, Tetramethylene sulfone
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About This Item
Empirical Formula (Hill Notation):
C4H8O2S
CAS Number:
Molecular Weight:
120.17
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-783-1
Beilstein/REAXYS Number:
107765
MDL number:
Assay:
99%
vapor density
4.2 (vs air)
Quality Segment
vapor pressure
0.01 mmHg ( 20 °C)
assay
99%
refractive index
n
bp
104 °C/0.2 mmHg (lit.), 285 °C (lit.)
mp
20-26 °C (lit.)
density
1.261 g/mL at 25 °C (lit.)
functional group
sulfone
SMILES string
O=S1(=O)CCCC1
InChI
1S/C4H8O2S/c5-7(6)3-1-2-4-7/h1-4H2
InChI key
HXJUTPCZVOIRIF-UHFFFAOYSA-N
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.
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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
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Repr. 1B - STOT RE 2
target_organs
Immune system
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