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658685

Sigma-Aldrich

Os EnCat® 40

extent of labeling: 0.3 mmol/g Os loading

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Synonym(s):
Osmium oxide, Osmium tetroxide, microencapsulated
Empirical Formula (Hill Notation):
OsO4
CAS Number:
Molecular Weight:
254.23
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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

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This Item
O5500644722644714
Os EnCat® 40 extent of labeling: 0.3 mmol/g Os loading

Sigma-Aldrich

658685

Os EnCat® 40

Osmium tetroxide Sealed ampule.

Sigma-Aldrich

O5500

Osmium tetroxide

Sigma-Aldrich

Sigma-Aldrich

644722

Pd EnCat® 40

Sigma-Aldrich

Sigma-Aldrich

644714

Pd EnCat® 30

extent of labeling

0.3 mmol/g Os loading

extent of labeling

-

extent of labeling

0.4 mmol/g Pd loading

extent of labeling

0.4 mmol/g Pd loading

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

CorrosionSkull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Supplementary Hazards

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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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