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251755

Sigma-Aldrich

四氧化锇 溶液

4 wt. % in H2O

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About This Item

线性分子式:
OsO4
CAS号:
20816-12-0
分子量:
254.23
MDL號碼:
MFCD00011150
分類程式碼代碼:
12352303
PubChem物質ID:
329752782
NACRES:
NA.21

蒸汽壓力

1.23 psi ( 20 °C)
3.55 psi ( 55 °C)

品質等級

100

形狀

liquid

反應適用性

reagent type: oxidant

濃度

3.5-4.5% (OsO4)
4 wt. % in H2O

密度

1.0 g/mL at 20 °C
1.04 g/mL at 25 °C

儲存溫度

2-8°C

SMILES 字串

O=[Os](=O)(=O)=O

InChI

1S/4O.Os

InChI 密鑰

VUVGYHUDAICLFK-UHFFFAOYSA-N

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相关类别

一般說明

OsO4（4wt%，溶于 H2O）广泛应用于有机合成，特别是羟基化反应。此外，它还参与烯烃的氧化裂解。

應用


  • In situ X-ray-assisted electron microscopy staining for large biological samples.: This study explores the use of osmium tetroxide solution for X-ray-assisted electron microscopy staining, enhancing the visualization of large biological samples (Ströh et al., 2022).

  • Application of the electron microscope to the cytochemical peroxidase reaction in salamander leukocytes.: The use of osmium tetroxide solution in electron microscopy enhances the cytochemical analysis of peroxidase reactions in salamander leukocytes, providing clear and detailed images (MITSUI, 1960).


象形圖

Skull and crossbonesCorrosion
GHS06,GHS05

訊號詞

Danger

危險分類

Acute Tox. 2 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2

儲存類別代碼

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

水污染物質分類（WGK）

WGK 1

閃點（°F）

Not applicable

閃點（°C）

Not applicable

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On stereochemistry of osmium tetroxide oxidation of allylic alcohol systems: empirical rule.
Cha JK, et al.
Tetrahedron Letters, 24(37), 3943-3946 (1983)
Kinetics of Oxidation of Some Fluoroquinolones by Hexacyanoferrate (III) in Alkaline Medium.
Diab N, et al.
International Journal of Chemistry (Canadian Center of Science and Education), 34(2), 1388-1388 (2013)
Asymmetric induction in the reaction of osmium tetroxide with olefins.
Hentges SG and Barry Sharpless K.
Journal of the American Chemical Society, 102(12), 4263-4265 (1980)
Yukihiko Sugita et al.
The Journal of general virology, 92(Pt 11), 2485-2493 (2011-07-29)
Negatively stained influenza virions sometimes show irregular morphology and are often referred to as pleomorphic. However, this irregular morphology has not been visualized when ultrathin-section transmission and scanning electron microscopies are used. This study focused on the effects of ultracentrifugation
OsO4·streptavidin: a tunable hybrid catalyst for the enantioselective cis-dihydroxylation of olefins.
Valentin Köhler et al.
Angewandte Chemie (International ed. in English), 50(46), 10863-10866 (2011-09-29)
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