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498262

Sigma-Aldrich

Diphenyl selenide

96%

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About This Item

Fórmula lineal:
(C6H5)2Se
Número de CAS:
1132-39-4
Peso molecular:
233.17
EC Number:
214-474-3
MDL number:
MFCD00014067
UNSPSC Code:
12352100
PubChem Substance ID:
24873185
NACRES:
NA.22

assay

96%

refractive index

n20/D 1.6465 (lit.)

bp

115-117 °C (lit.)

density

1.338 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

[Se](c1ccccc1)c2ccccc2

InChI

1S/C12H10Se/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10H

InChI key

ORQWTLCYLDRDHK-UHFFFAOYSA-N

Categorías relacionadas

General description

Diphenyl selenide is an organoselenium compound. Its standard enthalpies of combustion, formation and the mean bond-dissociation energy have been calculated. Its potential as a neutral carrier to develop silver-selective membrane electrode has been investigated. Diphenyl selenide undergoes oxidation to form selenoxides on treating with N-bromosuccinimide followed by alkaline hydrolysis.

Application

Used for Anti-selective Michael addition of thiols and their analogs to nitro-olefins.

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_germany

WGK 3

flash_point_f

>230.0 °F - closed cup

flash_point_c

> 110 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Enthalpies of combustion of selenium and diphenyl selenide.
Barnes DS and Mortimer CT.
The Journal of Chemical Thermodynamics, 5(3), 371-377 (1973)
The Journal of Organic Chemistry, 55, 2437-2437 (1990)
Oxidation of selenides and tellurides with positive halogenating species.
Detty MR
The Journal of Organic Chemistry, 45(2), 274-279 (1980)
Organoselenide as a novel ionophore for a silver-selective membrane electrode.
Katsu T and Xu D.
Analytical Letters, 31(12), 1979-1989 (1998)
Xinghua Dong et al.
ACS nano, 14(5), 5400-5416 (2020-04-24)
Radiotherapy (RT) in practical use often suffers from off-target side effects and ineffectiveness against hypoxic tumor microenvironment (TME) as well as remote metastases. With regard to these problems, herein, we provide semiconductor heterojunction structured WO2.9-WSe2-PEG nanoparticles to realize a synergistic

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