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Potassium osmate(VI) dihydrate

Description Preparation Applications and Reactions
Potassium osmate(VI) dihydrate
Potassium osmate(VI) dihydrate structure
CAS No.
10022-66-9
Chemical Name:
Potassium osmate(VI) dihydrate
Synonyms
potassium osmium oxide;PotassiuM osMate(VI) dihyd;POTASSIUM OSMIUM OXIDE(VI);POTASSIUM OSMATE DIHYDRATE;POTASSIUM OSMATE(VI) DIHYDRATE;OsMate, dipotassiuM, dihydrate;PotassiuM osMate(vi) dehydrate;PotassiuM osMate (Vl) dihydrate;Potassiumosmate(VI)dihydrate,99%;potassium osmium(vi) oxide dihydrate
CBNumber:
CB3421530
Molecular Formula:
H4K2O6Os
Formula Weight:
368.45
MOL File:
10022-66-9.mol

Potassium osmate(VI) dihydrate Properties

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
InChIKey
DGODWNOPHMXOTR-UHFFFAOYSA-N
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
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
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P311 Call a POISON CENTER or doctor/physician.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Potassium osmate(VI) dihydrate price More Price(12)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 209104 Potassium osmate(VI) dihydrate 10022-66-9 100mg $45.6 2018-11-13 Buy
Sigma-Aldrich 209104 Potassium osmate(VI) dihydrate 10022-66-9 2.5g $515 2018-11-13 Buy
Alfa Aesar 012647 Potassium osmium(VI) oxide dihydrate, 98+% 10022-66-9 1g $170 2018-11-16 Buy
Alfa Aesar 012647 Potassium osmium(VI) oxide dihydrate, 98+% 10022-66-9 0.25g $56.2 2018-11-16 Buy
Strem Chemicals 76-4050 Potassium osmate(VI) dihydrate, 99% (99.98+%-Os) 10022-66-9 1g $180 2018-11-13 Buy

Potassium osmate(VI) dihydrate Chemical Properties,Uses,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

Determination of nitrogenous matter in water.

Hazard

Toxic by ingestion and inhalation.

Potassium osmate(VI) dihydrate Preparation Products And Raw materials

Raw materials

Preparation Products


Potassium osmate(VI) dihydrate Suppliers

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