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

Key Documents

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Product Name

Selenium dioxide, 99.999% trace metals basis

form

solid

InChI key

JPJALAQPGMAKDF-UHFFFAOYSA-N

InChI

1S/O2Se/c1-3-2

SMILES string

O=[Se]=O

vapor pressure

1 mmHg ( 157 °C)

assay

99.999% trace metals basis

mp

315 °C (subl.) (lit.)

Quality Level

200

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Application

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

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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Asian Journal of Chemistry, 19, 4107-4107 (2007)
Tetrahedron Letters, 34, 2979-2979 (1993)
Haiying Luo et al.
Colloids and surfaces. B, Biointerfaces, 94, 304-308 (2012-03-02)
In vitro antiproliferative effects of selenium nanoparticles (nanoSe(0), 10-40 μmol/L) on HeLa (human cervical carcinoma) cells and MDA-MB-231 (human breast carcinoma) cells were examined by optical microscopic inspection and MTT assay in the present study. The nanoSe(0) effectively inhibited the
Erik A A Wallén et al.
Organic letters, 9(3), 389-391 (2007-01-26)
[reaction: see text] An efficient synthetic route to Cbz-protected 3-aminomethyl-2-aryl-8-bromo-6-chlorochromones has been developed. 3-Aryl-1-(3-bromo-5-chloro-2-hydroxyphenyl)-2-propen-1-one or 2-aryl-8-bromo-6-chlorochroman-4-one could be reacted under Mannich conditions yielding 2-aryl-8-bromo-6-chloro-3-methylenechroman-4-one, which was further converted to the target compound via an aza-Michael reaction followed by an SeO(2)
Mojtaba Shakibaie et al.
Pharmaceutical biology, 51(1), 58-63 (2012-10-06)
In the present investigation, acute and subacute toxicity of the biogenic Se nanoparticles (Se NPs) has been reported. To characterize the Se NPs produced by a bacterium species and to evaluate their toxicity and impact on clinical chemistry and hematological
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Articles

Oxidizing and Reducing Agents

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

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