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Merck
CN

204315

Selenium dioxide

99.999% 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:
24852252
NACRES:
NA.23

Key Documents

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vapor pressure

1 mmHg ( 157 °C)

Quality Level

200

Assay

99.999% trace metals basis

form

solid

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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Application

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

Signal Word

Danger

Hazard Statements

H301 + H331,H373,H410

Hazard Classifications

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

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
0000462086
0000462086
0000372216
0000323521
0000295554

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Tetrahedron Letters, 34, 2979-2979 (1993)
Asian Journal of Chemistry, 19, 4107-4107 (2007)
Zhangrong Lou et al.
Chemical communications (Cambridge, England), 49(24), 2445-2447 (2013-02-19)
Based on a novel strategy for modulating the fluorescence of selenide and selenoxide, we have designed and developed a reversible fluorescent probe for hypochloric acid. And the synthesis, characterization, fluorescence properties, as well as the biological applications in living cells
Vijay P Singh et al.
Chemistry, an Asian journal, 6(6), 1431-1442 (2011-05-11)
The syntheses of selenenate/seleninate esters and related derivatives by aromatic nucleophilic substitution (S(N)Ar) reactions of 2-bromo-3-nitrobenzylalcohol (13) and 2-bromo-3-nitrobenzaldehyde (17) with Na(2)Se(2)/nBuSeNa are described. The reaction of 13 with Na(2)Se(2) at room temperature afforded 7-nitro-1,2-benzisoselenole(3H) (15) instead of the desired
Zoyne Pedrero et al.
Journal of chromatography. A, 1139(2), 247-253 (2006-12-05)
Selenium speciation in Se-enriched Lens esculenta grown in hydroponic culture containing inorganic selenium as Na(2)SeO(3) and Na(2)SeO(4) was performed. After 16 days of growth, the plants were collected and divided in two parts, roots and stems and then analysed to
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Oxidizing and Reducing Agents

Oxidation and reduction reactions are some of the most common transformations encountered in organic synthesis

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