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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
NACRES:
NA.23
PubChem Substance ID:
24852252
UNSPSC Code:
12352303
EC Number:
231-194-7
MDL number:
MFCD00003562
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vapor pressure

1 mmHg ( 157 °C)

assay

99.999% trace metals basis

form

solid

reaction suitability

core: selenium

mp

315 °C (subl.) (lit.)

SMILES string

O=[Se]=O

InChI

1S/O2Se/c1-3-2

InChI key

JPJALAQPGMAKDF-UHFFFAOYSA-N

Application

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

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signalword

Danger

Hazard Classifications

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

Storage Class

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

ppe

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

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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Articles

Oxidizing and Reducing Agents

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

Tetrahedron Letters, 34, 2979-2979 (1993)
Asian Journal of Chemistry, 19, 4107-4107 (2007)
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
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Global Trade Item Number

SKUGTIN
204315-10G04061838766762
204315-50G04061838138231