Skip to Content
Merck
All Photos(2)

Documents

658685

Sigma-Aldrich

Os EnCat® 40

extent of labeling: 0.3 mmol/g Os loading

Synonym(s):

Osmium oxide, Osmium tetroxide, microencapsulated

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

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

reaction suitability

core: osmium
reagent type: catalyst
reagent type: oxidant

extent of labeling

0.3 mmol/g Os loading

SMILES string

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

InChI

1S/4O.Os

InChI key

VUVGYHUDAICLFK-UHFFFAOYSA-N

Related Categories

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.

Legal Information

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

Pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

Signal Word

Danger

Hazard Statements

H301 + H331,H310,H314

Hazard Classifications

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

Supplementary Hazards

EUH019

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 2

1 of 2

AD-mix-β

Sigma-Aldrich

392766

AD-mix-β

Hydrogen peroxide solution ≥30%, for trace analysis

Supelco

95321

Hydrogen peroxide solution

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
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
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
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service