ChemicalBook > CAS DataBase List > Potassium osmate(VI) dihydrate
Potassium osmate(VI) dihydrate
Description Preparation Applications and Reactions- Product Name
- Potassium osmate(VI) dihydrate
- CAS No.
- 10022-66-9
- Chemical Name
- Potassium osmate(VI) dihydrate
- Synonyms
- POTASSIUM OSMATE DIHYDRATE;PotassiuM osMate(vi) dehydrate;dioxido(dioxo)osmium;potassium osmium oxide;Potassium osmate hydrate;potassium osmium(vi) oxide dihydrate;PotassiuM dioxidodioxoosMiuM dihydrate;tetraoxoosmium(2-);POTASSIUM OSMIUM OXIDE(VI);PotassiuM osMate(VI) dihyd
- CBNumber
- CB3421530
- Molecular Formula
- H2KO5Os-
- Formula Weight
- 311.34
- MOL File
- 10022-66-9.mol
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Potassium osmate(VI) dihydrate Property
- storage temp.
- Store below +30°C.
- form
- Powder
- color
- White
- Water Solubility
- Soluble in water. Slowly decomposes in aqueous solution forming the tetroxide. Insoluble in alcohol, etherSoluble in water. Insoluble in alcohol and ether.
- Sensitive
- Hygroscopic
- Stability:
- hygroscopic
- InChI
- InChI=1S/K.H2O.4O.Os/h;1H2;;;;;/q+1;;;;;;-2
- InChIKey
- DGODWNOPHMXOTR-UHFFFAOYSA-N
- SMILES
- [Os-2](=O)(=O)(=O)=O.[K+].O
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Safety
- Hazard Codes
- T
- Risk Statements
- 23/24/25
- Safety Statements
- 22-26-36-45
- RIDADR
- UN 3288 6.1/PG 2
- WGK Germany
- 3
- TSCA
- Yes
- HazardClass
- 6.1
- PackingGroup
- III
- HS Code
- 28439090
- Toxicity
- LD50 orally in Rabbit: 2694 mg/kg
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 209104
- Product name
- Potassium osmate(VI) dihydrate
- Packaging
- 100mg
- Price
- $56.5
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 8.18055
- Product name
- Potassium osmate dihydrate
- Purity
- for synthesis
- Packaging
- 1g
- Price
- $194
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 209104
- Product name
- Potassium osmate(VI) dihydrate
- Packaging
- 2.5g
- Price
- $638
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- 012647
- Product name
- Potassium osmium(VI) oxide dihydrate, 98+%
- Packaging
- 0.25g
- Price
- $73.6
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- 012647
- Product name
- Potassium osmium(VI) oxide dihydrate, 98+%
- Packaging
- 1g
- Price
- $209
- Updated
- 2023/06/20
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Potassium osmate(VI) dihydrate Chemical Properties,Usage,Production
Description
Potassium osmate (VI) dehydrate is an inorganic compound with the formula H4K2O6Os. ISn the VI (6+) oxidation state the compound is a diamagnetic purple salt contains osmium. It is soluble in water and slowly decomposes in aqueous solution. Potassium osmate (VI) dehydrate is insoluble in ethereal and alcoholic solvents.
Preparation
Edmond Fremy first prepared potassium osmate (VI) dehydrate in 1844 by reducing perosmates using alcohol.
2OsO4 + C2H5OH + 3 KOH → CH3CO2K + 2 K2[OsO2(OH)4]
Applications and Reactions
Potassium osmate (VI) dehydrate is used as a catalyst in the dihydroxylation of cyclic internal alkenes such as lactams, 1,2 dioxines dihydrothiophenes and hexahydropyrans. The resulting diols from such reactions have been used in the preparation of various carbohydrate and similar molecular scaffolds. Potassium osmate (VI) dehydrate iss also used in the development of an asymmetric dihydroxylation methodology targeting heteroaromatic acrylates.
Chemical Properties
violet crystalline powder
Uses
Potassium osmium(VI) oxide dihydrate acts as a catalyst for the oxidative cleavage of olefins to ketones and carboxylic acids. It is employed in an intramolecular amidohydroxylation of carbamoyloxytethered olefins providing hydroxy oxazolidinones. It is also used as a reagent in the synthesis of amphidinolide B, which shows potent antitumor activity against human solid and blood tumor cells.
Uses
Determination of nitrogenous matter in water.
Reactivity Profile
catalyst for oxidative cleavage; oxidation reagent; used in dihydroxylation and aminohydroxylation reactions.
Hazard
Toxic by ingestion and inhalation.
storage
incompatible with strong oxidizing reagents. Toxic if inhaled. May cause respiratory tract irritation. Toxic if absorbed through the skin. Toxic if swallowed.
Structure and conformation
The complex anion is octahedral. Like related d2 dioxo complexes, the oxo ligands are trans. The Os=O and Os-OH distances are 1.75(2) and 1.99(2) Å, respectively. It is a relatively rare example of a metal oxo complex that obeys the 18e rule.
Potassium osmate(VI) dihydrate Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Potassium osmate(VI) dihydrate manufacturers
Huida Pharmaceutical Technology (Shanghai) Co., Ltd.
- Product
- Potassium osmate(VI) dihydrate 10022-66-9
- Price
- US $0.00-0.00/kg
- Min. Order
- 0.1kg
- Purity
- 98%
- Supply Ability
- 100kg
- Release date
- 2023-03-07
Hangzhou ICH Biofarm Co., Ltd
- Product
- Potassium osmate 10022-66-9
- Price
- US $0.00/g
- Min. Order
- 0.10000000149011612g
- Purity
- 99.9%min
- Supply Ability
- 10kg
- Release date
- 2023-06-09
Henan Aochuang Chemical Co.,Ltd.
- Product
- Potassium osmate(VI) dihydrate 10022-66-9
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 98%
- Supply Ability
- 1ton
- Release date
- 2022-09-29
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