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Merck
CN

209104

Potassium osmate(VI) dihydrate

Synonym(s):

Dipotassium tetrahydroxodioxoosmate, Potassium dioxidodioxoosmium dihydrate, Potassium osmium oxide

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About This Item

Linear Formula:
K2OsO4·2H2O
CAS Number:
10022-66-9
Molecular Weight:
368.45
NACRES:
NA.23
PubChem Substance ID:
24852235
UNSPSC Code:
12352302
EC Number:
243-247-1
MDL number:
MFCD00149919
Form:
powder

Key Documents

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InChI key

DGODWNOPHMXOTR-UHFFFAOYSA-N

InChI

1S/2K.2H2O.4O.Os/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;

SMILES string

O.O.[K+].[K+].[O-][Os]([O-])(=O)=O

form

powder

reaction suitability

core: potassium
reagent type: oxidant

Quality Level

200

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Application

Potassium osmate(VI) dihydrate can be used:
  • As a reagent for the stereoselective synthesis of 2,3,4-unprotected β-N-Glycopyranosides via palladium-catalyzed Tsuji-Trost amination.
  • As a catalyst for asymmetric synthesis of carboranylated diols bearing two adjacent stereocenters.
  • To prepare Osmium complexes for voltammetric analysis of polysaccharides.

General description

Potassium osmate(VI) dihydrate is a hydroscopic transition metal compound soluble in water and methanol, widely used as a reagent/catalyst to synthesize Os compounds.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral

Storage Class

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW6506
MKCT9851
MKCS8475
MKCR2247
MKCP2362

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Timothy J Donohoe et al.
Journal of the American Chemical Society, 128(8), 2514-2515 (2006-02-24)
The use of N-sulfonyloxy carbamates as reoxidants for the tethered aminohydroxylation (TA) reaction is reported. These new conditions obviate the requirement for lithium hydroxide and tBuOCl in the oxidation mixture. In addition to providing aminohydroxylation products in good yields, the
Tetrahedron Letters, 47, 3797-3797 (2006)

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