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形狀
solution
反應適用性
reagent type: oxidant
濃度
4% in H2O
技術
electron microscopy: suitable
顏色
colorless to yellow
pH值
6.0-8.0
密度
1.0 g/mL at 20 °C
應用
hematology
histology
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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應用
四氧化锇溶液已被用作扫描和透射电子显微镜的固定剂。
生化/生理作用
四氧化锇也被称为锇,主要用作组织的二次固定剂。该分子与脂类部分反应,并负责氧化脂肪酸的不饱和键。这种反应增加了生物样品的密度和对比度。在正常组织中,锇的存在导致强烈的黑色染色,正常眼睛可以看到。此外,它还可用作电子显微镜检查中的媒染剂(在后期与染色剂或染料结合的分子),从而增强铅染色。
包裝
5 mL,安瓿瓶装
10 mL,安瓿瓶装
10 mL,安瓿瓶装
其他說明
由于四氧化锇的危害性,建议在使用该化学品时使用安瓿开启器。
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
個人防護裝備
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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