추천 제품
양식
solution
Quality Level
반응 적합성
reagent type: oxidant
농도
2% in H2O
기술
electron microscopy: suitable
색상
colorless to yellow
density
1.0 g/mL at 20 °C
1.0 g/mL at 20 °C
응용 분야
hematology
histology
저장 온도
2-8°C
SMILES string
O=[Os](=O)(=O)=O
InChI
1S/4O.Os
InChI key
VUVGYHUDAICLFK-UHFFFAOYSA-N
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일반 설명
Osmium tetroxide (OsO4) also referred to as osmium, is a heavy tetrahedral, symmetrical molecule. It is both a dye and a non-coagulant fixative agent in electron microscopy primarily used for the examination of biological tissue components in the histopathology laboratory. Specimens are postfixed with osmium tetroxide to ensure the preservation of the lipids.
애플리케이션
Osmium tetroxide solution has been used as a fixative in electron microscopy.
생화학적/생리학적 작용
Osmium tetroxide is also referred to as osmium and is mainly used as a secondary fixative of tissues. The molecule reacts with lipid moieties and is responsible for the oxidation of unsaturated bonds of fatty acids. This reaction adds density and contrast to biological samples. In normal tissues, presence of osmium results in intense black staining which can be viewed by normal eye. In addition, it can be used as a mordant (a molecule which combines with stain or dye at later stages) in electron microscopy, thereby enhancing lead staining.
신호어
Danger
유해 및 위험 성명서
Hazard Classifications
Acute Tox. 2 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2
Storage Class Code
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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