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658685

Sigma-Aldrich

Os EnCat® 40

extent of labeling: 0.3 mmol/g Os loading

Sinônimo(s):

Osmium oxide, Osmium tetroxide, microencapsulated

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About This Item

Fórmula empírica (Notação de Hill):
OsO4
Número CAS:
20816-12-0
Peso molecular:
254.23
Número MDL:
MFCD00011150
Código UNSPSC:
12161600
ID de substância PubChem:
24884370
NACRES:
NA.22

adequação da reação

core: osmium
reagent type: catalyst
reagent type: oxidant

Extensão da rotulagem

0.3 mmol/g Os loading

cadeia de caracteres SMILES

O=[Os](=O)(=O)=O

InChI

1S/4O.Os

chave InChI

VUVGYHUDAICLFK-UHFFFAOYSA-N

Categorias relacionadas

Descrição geral

The product is osmium tetroxide encapsulated within a porous cross-linked polyurea matrix.

Aplicação

Os EnCat® 40 in the presence of a secondary oxidant can transform alkyl and aryl olefins to their corresponding diols via dihydroxylation reaction.

Características e benefícios

Encapsulated OsO4 catalyst offers safety and handling advantages over conventional OsO4.

Informações legais

Os EnCat® technology.
EnCat is a registered trademark of Reaxa Ltd.

Pictogramas

Skull and crossbonesCorrosion
GHS06,GHS05

Palavra indicadora

Danger

Frases de perigo

H301 + H331,H310,H314

Classificações de perigo

Acute Tox. 2 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B

Perigos de suplementos

EUH019

Código de classe de armazenamento

4.1B - Flammable solid hazardous materials

Classe de risco de água (WGK)

WGK 3

Equipamento de proteção individual

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

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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Steven V Ley et al.
Organic letters, 5(2), 185-187 (2003-01-17)
[reaction: see text] Osmium tetroxide has been microencapsulated in a polyurea matrix using an in situ interfacial polymerization approach. These microcapsules have been effectively used as recoverable and reusable catalysts in the dihydroxylation of olefins
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Negatively stained influenza virions sometimes show irregular morphology and are often referred to as pleomorphic. However, this irregular morphology has not been visualized when ultrathin-section transmission and scanning electron microscopies are used. This study focused on the effects of ultracentrifugation
OsO4·streptavidin: a tunable hybrid catalyst for the enantioselective cis-dihydroxylation of olefins.
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Angewandte Chemie (International ed. in English), 50(46), 10863-10866 (2011-09-29)
Carsten Købler et al.
Analytical and bioanalytical chemistry, 406(16), 3863-3873 (2014-01-23)
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