209104

Potassium osmate(VI) dihydrate

• Synonym(s): Dipotassium tetrahydroxodioxoosmate, Potassium dioxidodioxoosmium dihydrate, Potassium osmium oxide
• Linear Formula: K₂OsO₄·2H₂O
• CAS Number: 10022-66-9
• Molecular Weight: 368.45
• EC Number: 243-247-1
• MDL number: MFCD00149919
• UNSPSC Code: 12352302
• PubChem Substance ID: 24852235
• NACRES: NA.23

Properties

• form: powder
• reaction suitability: reagent type: oxidant
• SMILES string: O.O.[K+].[K+].[O-][Os]([O-])(=O)=O
• InChI: 1S/2K.2H2O.4O.Os/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
• InChI key: DGODWNOPHMXOTR-UHFFFAOYSA-N

Description

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.

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.

Safety Information

• Pictograms: GHS06
• Signal Word: Danger
• Hazard Statements: H301 + H311 + H331
• Precautionary Statements: P261 - P264 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral
• Storage Class Code: 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
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves