ChemicalBook CAS DataBase List Osmium tetroxide

Osmium tetroxide synthesis

2synthesis methods

Product Name:Osmium tetroxide
CAS Number:20816-12-0
Molecular formula:O4Os
Molecular Weight:254.23

Osmium tetroxide is obtained as an intermediate during recovery of osmium metal from osmiridium or other noble metal minerals (See Osmium). In general, oxidation of an aqueous solution of an osmium salt or complex, such as sodium osmate with nitric acid, yields the volatile tetroxide which may be distilled out from the solution. In the laboratory, the compound can be prepared by oxidation of the osmium tetrachloride, OsCl₄, or other halide solutions with sodium hypochlorite followed by distillation.
Osmium tetroxide may also be produced by heating finely divided osmium metal in a stream of oxygen or air at 300 to 400°C.

Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-

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Yield:-

Reaction Conditions:

hydrolysis;;

References:

Knorre, G. v. [Angewandte Chemie,1902,vol. 15,p. 395 - 395]

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References

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