84692
Sulfur dioxide
≥99.9%
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About This Item
Linear Formula:
SO2
CAS Number:
Molecular Weight:
64.06
UNSPSC Code:
12142100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
231-195-2
Beilstein/REAXYS Number:
3535237
MDL number:
Assay:
≥99.9%
Form:
gas
InChI key
RAHZWNYVWXNFOC-UHFFFAOYSA-N
InChI
1S/O2S/c1-3-2
SMILES string
O=S=O
vapor density
2.26 (21 °C, vs air)
vapor pressure
1779 mmHg ( 21 °C)
assay
≥99.9%
form
gas
impurities
≤0.02% water, ≤0.05% H2SO4
bp
−10 °C (lit.)
mp
−73 °C (lit.)
density
1.25 g/mL at 25 °C (lit.)
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Packaging
Cylinder with net 2.4kg
Other Notes
Recommended DIN 477 - Nr. 7
Sales restrictions may apply
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Eye Dam. 1 - Press. Gas Liquefied gas - Skin Corr. 1B
Storage Class
2A - Gases
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles
Regulatory Information
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Eliza Harris et al.
Science (New York, N.Y.), 340(6133), 727-730 (2013-05-11)
Global sulfate production plays a key role in aerosol radiative forcing; more than half of this production occurs in clouds. We found that sulfur dioxide oxidation catalyzed by natural transition metal ions is the dominant in-cloud oxidation pathway. The pathway
Yuan-Qiang Sun et al.
Chemical communications (Cambridge, England), 49(26), 2637-2639 (2013-02-26)
A coumarin-hemicyanine dye was reported for ratiometric fluorescent detection of SO2 derivatives HSO3(-) and SO3(2-) based on a novel addition-rearrangement cascade reaction.
J Neil Cape et al.
Environment international, 29(2-3), 201-211 (2003-04-05)
The regulation of the emissions of 'traditional' primary air pollutants (fluorides, sulfur dioxide) has changed the pattern of exposure of ecological systems, with greatly reduced exposure close to sources, but with a smaller effect in some remote areas. Measurements show
Xin-Bao Wang et al.
Life sciences, 98(2), 63-67 (2014-01-15)
Sulfur dioxide (SO2) is a common air pollutant and is detrimental to many organs. Its toxic effects including oxidative damage, deoxyribonucleic acid (DNA) damage and inflammation have been extensively studied. However, recent studies showed that SO2 can be generated endogenously
Philippe Bisseret et al.
Organic & biomolecular chemistry, 11(33), 5393-5398 (2013-07-16)
Although sulfur dioxide (SO2) has been used as a reagent for organic chemistry for more than one hundred years, being endowed with quite a distinct and varied reactivity profile, which allows the synthesis of a large range of compounds, its
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