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658685

Os EnCat® 40

extent of labeling: 0.3 mmol/g Os loading

Synonym(s):

Osmium oxide, Osmium tetroxide, microencapsulated

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About This Item

Empirical Formula (Hill Notation):
OsO4
CAS Number:
20816-12-0
Molecular Weight:
254.23
NACRES:
NA.22
PubChem Substance ID:
24884370
UNSPSC Code:
12161600
MDL number:
MFCD00011150

Key Documents

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InChI

1S/4O.Os

SMILES string

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

InChI key

VUVGYHUDAICLFK-UHFFFAOYSA-N

reaction suitability

core: osmium, reagent type: catalyst, reagent type: oxidant

extent of labeling

0.3 mmol/g Os loading

Quality Level

100

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This Item
75633201030208868
Os EnCat® 40 extent of labeling: 0.3 mmol/g Os loading

Sigma-Aldrich

658685

Os EnCat® 40

Osmium tetroxide solution suitable for electron microscopy, 2% in H2O

Sigma-Aldrich

75633

Osmium tetroxide solution

Osmium tetroxide ReagentPlus®, 99.8%

Sigma-Aldrich

201030

Osmium tetroxide

Osmium tetroxide solution 2.5 wt. % in tert-butanol

Sigma-Aldrich

208868

Osmium tetroxide solution

reaction suitability

core: osmium, reagent type: oxidant, reagent type: catalyst

reaction suitability

-

reaction suitability

-

reaction suitability

-

Quality Level

100

Quality Level

100

Quality Level

200

Quality Level

100

extent of labeling

0.3 mmol/g Os loading

extent of labeling

-

extent of labeling

-

extent of labeling

-

General description

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

Application

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

Features and Benefits

Encapsulated OsO4 catalyst offers safety and handling advantages over conventional OsO4.[1]

Legal Information

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

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

Hazard Classifications

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

supp_hazards

EUH019

Storage Class

4.1B - Flammable solid hazardous materials

wgk

WGK 3

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
14826BH
14726BH
14626BH
02124CE
10920TD

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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
OsO4·streptavidin: a tunable hybrid catalyst for the enantioselective cis-dihydroxylation of olefins.
Valentin Köhler et al.
Angewandte Chemie (International ed. in English), 50(46), 10863-10866 (2011-09-29)
Yukihiko Sugita et al.
The Journal of general virology, 92(Pt 11), 2485-2493 (2011-07-29)
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
Carsten Købler et al.
Analytical and bioanalytical chemistry, 406(16), 3863-3873 (2014-01-23)
Ultrastructural characterisation is important for understanding carbon nanotube (CNT) toxicity and how the CNTs interact with cells and tissues. The standard method for this involves using transmission electron microscopy (TEM). However, in particular, the sample preparation, using a microtome to
F Wyss et al.
Veterinary pathology, 52(6), 1235-1242 (2015-01-27)
Pododermatitis is frequent in captive flamingos worldwide, but little is known about the associated histopathologic lesions. Involvement of a papillomavirus or herpesvirus has been suspected. Histopathologic evaluation and viral assessment of biopsies from 19 live and 10 dead captive greater
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