CAS 20816-12-0

Tetraossido di osmio

Descrizione:

Tetraossido di osmio (OsO4) è un composto altamente reattivo e volatile noto per le sue forti proprietà ossidanti. Si presenta come un solido o liquido incolore o giallo pallido, a seconda del suo stato, e ha un odore distintivo e pungente. Tetraossido di osmio è solubile in solventi organici come l'acetone e l'alcol, ma solo leggermente solubile in acqua. È utilizzato principalmente in chimica organica come reagente per l'ossidazione degli alcheni per formare dioli, e gioca un ruolo cruciale nella microscopia elettronica come fissativo grazie alla sua capacità di legarsi a lipidi e proteine. Tuttavia, è anche altamente tossico e presenta rischi significativi per la salute, inclusi irritazione respiratoria e cutanea, e potenziali effetti cancerogeni. Pertanto, la manipolazione di Tetraossido di osmio richiede rigorose precauzioni di sicurezza, inclusi l'uso di cappe aspiranti e dispositivi di protezione individuale. Le sue proprietà uniche lo rendono prezioso in varie applicazioni scientifiche, ma i suoi pericoli richiedono una gestione attenta negli ambienti di laboratorio.

Formula: O₄Os

InChI: InChI=1S/4O.Os

InChI key: InChIKey=VUVGYHUDAICLFK-UHFFFAOYSA-N

SMILES: [Os](=O)(=O)(=O)=O

Sinonimi:

• Milas' reagent
• Osmic Acid
• Osmium Oxide
• Osmium Tetroxide
• Osmium oxide (OsO4)
• Osmium oxide (OsO4), (T-4)-
• Osmium oxide (OsO₄)
• Osmium oxide (OsO₄), (T-4)-
• Osmium tetraoxide
• Osmium(IV) oxide
• Osmiumtetraoxid
• Osmiumtetroxid
• Reagents, Milas'
• Tetraoxido De Osmio
• Tetraoxoosmium

Osmium Tetroxide (4% in Water)

CAS: 20816-12-0

Formula: OsO₄

Colore e forma: Light orange to Yellow to Green clear liquid

Peso molecolare: 254.23

Ref: 3B-O0308

Osmium(VIII) oxide, 99.8% (metals basis), Os 74.4% min

CAS: 20816-12-0

Oxidation, catalyst in Sharpless dihydroxylations Osmium(VIII) oxide is used in the Sharpless oxyamination to give vicinal amino-alcohols. It is used to oxidize alkenes to the vicinal diols. It acts as a staining agent used in transmission electron microscopy to provide contrast to the image and as

Formula: O₄Os

Purezza: 74.4%

Colore e forma: Pale yellow, Crystalline solid

Peso molecolare: 254.23

Ref: 02-012103

Osmium(VIII) oxide, 4% aq. soln.

CAS: 20816-12-0

Osmium(VIII) oxide is widely used as an oxidant in organic synthesis to oxidize alkenes to vicinal diols as well as in the sharpless oxyamination to give vicinal amino-alcohols. It is involved in the oxidative cleavage of alkenes (Lemieux-Johnson oxidation) in association with sodium periodate. It

Formula: O₄Os

Colore e forma: Pale yellow, Liquid

Peso molecolare: 254.23

Ref: 02-045385

Osmium(VIII) oxide, 2% aq. soln.

CAS: 20816-12-0

Osmium(VIII) oxide is widely used as an oxidant in organic synthesis to oxidize alkenes to vicinal diols as well as in the sharpless oxyamination to give vicinal amino-alcohols. It is involved in the oxidative cleavage of alkenes (Lemieux-Johnson oxidation) in association with sodium periodate. It

Formula: O₄Os

Colore e forma: Liquid, Pale yellow

Peso molecolare: 254.23

Ref: 02-045384

Osmium(VIII) oxide solution, 4% OsO4

CAS: 20816-12-0

Formula: OsO₄aq

Purezza: ≥ 99.9%

Colore e forma: Colourless to pale yellow or pale green solution

Peso molecolare: 254.20

Ref: 7W-GX9093

Osmium(VIII) oxide solution, 2% OsO4

CAS: 20816-12-0

Formula: OsO₄aq

Purezza: ≥ 99.9%

Colore e forma: Colourless to pale yellow or pale green solution

Peso molecolare: 254.20

Ref: 7W-GX3808

Osmium tetroxide

CAS: 20816-12-0

Formula: OsO₄

Purezza: ≥ 99.8%

Colore e forma: Pale yellow to yellow crystals

Peso molecolare: 254.10

Ref: 7W-GT4710

Osmium(VIII) oxide, 99.9%

CAS: 20816-12-0

Formula: OsO₄

Purezza: ≥ 99.90%

Colore e forma: Yellow crystals

Peso molecolare: 254.20

Ref: 7W-GX5054

Osmium Tetroxide (4% in H2O)

Prodotto controllato

CAS: 20816-12-0

Applications Osmium Tetroxide (4% in H2O) is a reagent that is used in the dihydroxylation process in the synthesis of 3-[1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)ethoxy]-1,2-propanediol (D436535). 3-[1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)ethoxy]-1,2-propanediol is involved in biological studies as microsomal cytochrome P 450 isoenzymes from Penicillium italicum interaction with sterol demethylation inhibitor fungicides.
References Guan, J., et al.: Pest. Biochem. Physiol., 42, 24 (1992);

Formula: O₄Os

Colore e forma: Single Solution

Peso molecolare: 254.23

Ref: TR-O702505

Osmium(VIII) oxide (99.99+%-Os) PURATREM

CAS: 20816-12-0

Osmium(VIII) oxide (99.99+%-Os) PURATREM

Formula: OsO₄

Purezza: (99.99+%-Os)

Colore e forma: pale yellow xtl.

Peso molecolare: 254.20

Ref: 08-76-2958

Osmic Acid extrapure, 99%

CAS: 20816-12-0

Formula: OsO₄

Purezza: min. 99%

Colore e forma: Pale yellow, Crystalline powder

Peso molecolare: 254.2

Ref: SR-83577