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Sulfolane
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CAS
No. |
126-33-0 |
Product Name |
sulfolane |
Structural and Molecular Formula |
C4H8SO2 |
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Properties |
colorless transparent solid under normal
temperature and normal pressure; industrial sulfolane
almost are light yellow transparent liquid. B.P.: 286 ;
M.P.: 28.7 . It is a non-proton-type strong polar solvent,
with good chemical and heat stability, high selectivity,
strong dissolving power and weak corrosion and low toxicity. |
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Standard: Q/JSH LL.001-2000 |
Item and
Unit |
Quality
Index |
Analysis
Method |
Industrial
Sulfolane |
Dry Sulfolane |
Density(30 )I
kg/m3 |
|
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1260~1270 |
1260~1270 |
ASTM D 4052 |
5% distillation temperature
II  |
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≥ |
282 |
282 |
ASTM D 1078 |
95% distillation temperature
II  |
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≤ |
288 |
288 |
Resistance to heat, mgSO2/kg |
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≤ |
20 |
20 |
UOP 599 |
Isopropyl sulfolane aether,%
|
(m/m) |
≤ |
0.2 |
0.2 |
UOP 608 |
2-sulfolene, % |
(m/m) |
≤ |
0.2 |
0.2 |
UOP 608 |
Sulfur Content(anhydrous),
% |
(m/m) |
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26.0~27.0 |
26.0~27.0 |
ASTM D 129 |
MoistureIII- %
|
(m/m) |
≤ |
3.0 |
0.5 |
UOP 481 |
Ash, % |
(m/m) |
≤ |
0.1 |
0.1 |
ASTM D 482 |
Note:
I:Density here is modified density, the formula is:
Density= |
(1-water%)×measured
density |
1-(water%×measured density÷0.9957)
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II: should use 200ml distillation bottle and the regulated
temperature according to ASTM standard
III: may adjust according to the clients' requirement;
IV: should completely be in liquid state. |
Uses |
multipurpose
organic solvent, can be used in arene extraction,
air purification, pharmaceutical intermediate, organic
chemical solvent; also used as rubber additive and
dye intermediate. |
Package, Storage and Transportation |
It is a flammable liquid, usually
packed in 200L galvanized steel barrel, or car tanker
and train tanker. To ensure its fluidity, usually
add about 3% water into industrial sulfolane to reduce
its solidifying point and make it be in liquid state
at normal temperature to easy to be transported. According
to the clients' requirements, dry sulfolane is not
added water, with higher solidifying point and easy
solidify into solid during transportation, usually
packed in 200L galvanized steel barrel, net weight:
250±0.5kg/barrel. |
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