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MilliporeSigma

84692

Sigma-Aldrich

Sulfur dioxide

≥99.9%

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About This Item

Fórmula lineal:
SO2
Número de CAS:
Peso molecular:
64.06
Beilstein/REAXYS Number:
3535237
EC Number:
MDL number:
UNSPSC Code:
12142100
PubChem Substance ID:
NACRES:
NA.22

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.)

SMILES string

O=S=O

InChI

1S/O2S/c1-3-2

InChI key

RAHZWNYVWXNFOC-UHFFFAOYSA-N

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Packaging

Cylinder with net 2.4kg

Other Notes

Sales restrictions may apply

Recommended products

Recommended DIN 477 - Nr. 7

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Eye Dam. 1 - Press. Gas Liquefied gas - Skin Corr. 1B

Storage Class

2A - Gases

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles


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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
Die Liu et al.
Mini reviews in medicinal chemistry, 10(11), 1039-1045 (2010-06-15)
The atmospheric pollutant sulfur dioxide (SO(2)) is endogenously generated from the normal metabolism of sulfur-containing amino acids through the aspartate aminotransferase pathway. SO(2) is produced in cardiovascular tissues, and the aspartate aminotransferase mRNA is localized in endothelia and in vascular
Xin-Bao Wang et al.
European journal of pharmacology, 670(1), 1-6 (2011-09-20)
Sulfur dioxide is considered a toxic gas in air pollution and detrimental to many organs, however, it can be generated endogenously in the cardiovascular system in vivo. Gaseous sulfur dioxide has an endothelium-dependent vasorelaxing effect at low concentrations, but is

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