201030

Osmium tetroxide

ReagentPlus^®, 99.8%

• 동의어(들): Osmium(VIII)-oxide, ‘Osmic acid’
• Linear Formula: OsO₄
• CAS Number: 20816-12-0
• Molecular Weight: 254.23
• EC Number: 244-058-7
• MDL number: MFCD00011150
• UNSPSC 코드: 12352303
• PubChem Substance ID: 329751973
• NACRES: NA.55

속성

• vapor density: 8.8 (vs air)
• Quality Level: 200
• vapor pressure: 7 mmHg ( 20 °C)
• 제품 라인: ReagentPlus^®
• 분석: 99.8%
• 형태: crystalline; powder
• 반응 적합성: reagent type: oxidant
• bp: 130 °C (lit.)
• mp: 39.5-41 °C (lit.)
• 저장 온도: 2-8°C
• SMILES string: O=[Os](=O)(=O)=O
• InChI: 1S/4O.Os
• InChI key: VUVGYHUDAICLFK-UHFFFAOYSA-N

설명

일반 설명

Osmium tetroxide (OsO₄) is widely employed as a catalyst in various organic reactions. Stereochemical aspects of the OsO₄ assisted oxidation of allylic alcohols and their derivatives have been reported. Its reaction with olefins has been investigated. It participates as a catalyst for oxidizing fluoroquinolones, via reaction with potassium hexacyanoferrate(III) in alkaline medium. Kinetics of this oxidation reaction was studied.

애플리케이션

Osmium tetroxide may be employed as a catalyst for the hydroxylation of sterically hindered olefins.

Osmium tetroxide may be used in the following processes:

• To promote the lactonization of alkenols to lactones.
• To mediate the selective oxidative cleavage of olefins by oxone to form the corresponding ketones or carboxylic acids.
• Dihydroxylation of mono-trans-di, and trisubstituted olefins to form 1,2-diols with high enantioselectivity in the presence of chiral amines.

Widely used oxidizer for visualizing cells in microscopy. Promotes oxidative cleavage of graphene layers in carbon nanotubes creating the possibility of opening ′windows′ in fullerene cages.

법적 정보

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

안전성 정보

• 픽토그램: GHS06,GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H300 + H310 + H330,H314
• 예방조치 성명서: P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1B
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable