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10022-66-9 - Potassium osmium(VI) oxide dihydrate, 98+% - Potassium osmate dihydrate - 12647 - Alfa Aesar

12647 Potassium osmium(VI) oxide dihydrate, 98+%

CAS-Nummer
10022-66-9
Synonyme
Potassium osmate dihydrate

Größe Preis ($) Menge Verfügbarkeit
0.25g 55,10
1g 167,00
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Potassium osmium(VI) oxide dihydrate, 98+%

MDL
MFCD00149919
EINECS
243-247-1

Chemische Eigenschaften

Formel
K2OsO4•2H2O
Molmasse
368.43 (332.40anhy)
Form
Powder
Sensitivität
Hygroscopic
Löslichkeit
Soluble in water. Slowly decomposes in aqueous solution forming the tetroxide. Insoluble in alcohol, etherSoluble in water. Insoluble in alcohol and ether.

Anwendungen

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.

Bemerkungen

Moisture sensitive. Incompatible with strong oxidizing agents.

Literaturverweise

Yang, Q.; Njardarson, J. T. Base mediated deprotection strategies for trifluoroethyl (TFE) ethers, a new alcohol protecting group. Tetrahedron Lett. 2013, 54 (51), 7080-7082.

Zhang, L.; Chen, X.; Liu, J.; Zhu, Q.; Leng, Y.; Luo, X.; Jiang, H.; Liu, H. Discovery of novel dual-action antidiabetic agents that inhibit glycogen phosphorylase and activate glucokinase. Eur. J. Med. Chem. 2012, 58, 624-639.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H301-H331-H315-H319-H335

Toxic if swallowed. Toxic if inhaled. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Sicherheitshinweise: P261-P280a-P301+P310a-P305+P351+P338-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF SWALLOWED: Immediately call a POISON CENTER/doctor IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Gefahrenklasse
6.1
Verpackungsgruppe
III
Harmonized Tariff Code
2843.90
TSCA
Yes

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