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213365

Sigma-Aldrich

Selenium dioxide

ReagentPlus®, powder, 99.8% trace metals basis

Synonym(s):

NSC 56753, Selenium oxide

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About This Item

Linear Formula:
SeO2
CAS Number:
7446-08-4
Molecular Weight:
110.96
EC Number:
231-194-7
MDL number:
MFCD00003562
UNSPSC Code:
12352303
PubChem Substance ID:
24852777
NACRES:
NA.23

vapor pressure

1 mmHg ( 157 °C)

Quality Level

200

product line

ReagentPlus®

assay

99.8% trace metals basis

form

powder

color

white

mp

315 °C (subl.) (lit.)

SMILES string

O=[Se]=O

InChI

1S/O2Se/c1-3-2

InChI key

JPJALAQPGMAKDF-UHFFFAOYSA-N

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Related Categories

Application

Mild oxidizing reagent for allylic olefins and acetylenes. Conversion of 1,3-diketones to 1,2,3-triones

Other Notes

Material may contain dark crystals which are unavoidable and do not impact product quality

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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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Asian Journal of Chemistry, 19, 4107-4107 (2007)
Tetrahedron Letters, 34, 2979-2979 (1993)
Yu-Wei Chen et al.
Chemosphere, 74(8), 1079-1084 (2008-12-09)
The possible abiotic reduction of selenite to form elemental Se was studied under controlled conditions in the presence of ferrous iron. The reduction of selenite and formation of Se (0) was found to be a surface-mediated reaction by iron oxides.
Zhen Li et al.
Chemistry and physics of lipids, 158(1), 39-45 (2009-01-17)
Allylic hydroxylated derivatives of the C18 unsaturated fatty acids were prepared from linoleic acid (LA) and conjugated linoleic acids (CLAs). The reaction of LA methyl ester with selenium dioxide (SeO(2)) gave mono-hydroxylated derivatives, 13-hydroxy-9Z,11E-octadecadienoic acid, 13-hydroxy-9E,11E-octadecadienoic acid, 9-hydroxy-10E,12Z-octadecadienoic acid and
Ji-Ming Song et al.
Langmuir : the ACS journal of surfaces and colloids, 23(13), 7321-7327 (2007-05-26)
High-yield synthesis of bamboo-raft-like single-crystalline selenium superstructures has been realized for the first time via a facile solvothermal approach by reducing SeO2 with ethylene alcohol in the presence of cellulose acetate. The formation of a raftlike superstructure with various forms
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