251755
四氧化锇 溶液
4 wt. % in H2O
蒸汽压
1.23 psi ( 20 °C)
3.55 psi ( 55 °C)
质量水平
表单
liquid
反应适用性
reagent type: oxidant
浓度
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
储存温度
2-8°C
SMILES字符串
O=[Os](=O)(=O)=O
InChI
1S/4O.Os
InChI key
VUVGYHUDAICLFK-UHFFFAOYSA-N
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一般描述
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。
应用
- 大型生物样品的原位X射线辅助电子显微镜染色。：研究探讨了四氧化锇溶液在X射线辅助电子显微镜染色中的应用，增强了大型生物样品的可视化（Ströh et al., 2022）。
- 电子显微镜在蝾螈白细胞细胞化学过氧化物酶反应中的应用。：在电子显微镜分析法中使用四氧化锇溶液增强了蝾螈白细胞中过氧化物酶反应的细胞化学分析，提供了清晰详细的图像（MITSUI, 1960）。
警示用语：
Danger
危险分类
Acute Tox. 2 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2
储存分类代码
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
监管及禁止进口产品
此项目有
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)
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)
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
Manuel Marx et al.
Nature protocols, 7(2), 394-407 (2012-02-04)
In this report, we describe a reliable protocol for biocytin labeling of neuronal tissue and diaminobenzidine (DAB)-based processing of brain slices. We describe how to embed tissues in different media and how to subsequently histochemically label the tissues for light
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