This product is supplied as a 4% solution in water. To make a 1% solution of osmium tetroxide, the product can be diluted by a ratio of 1:3 in water.
75632
Osmium tetroxide solution
suitable for electron microscopy, 4% in H2O
Sinonimo/i:
Osmium(IV) oxide
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Cambia visualizzazione
| Voi/SKU | Disponibilità | Prezzo |
|---|---|---|
5 mL | Per conoscere la disponibilità, visualizza il carrello | CHF 373.00 |
10 mL | Per conoscere la disponibilità, visualizza il carrello | CHF 688.00 |
Informazioni su questo articolo
Formula condensata:
OsO4
Numero CAS:
Peso molecolare:
254.23
NACRES:
NA.47
PubChem Substance ID:
UNSPSC Code:
12171500
MDL number:
Form:
solution
Servizio Tecnico
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solution
Quality Segment
reaction suitability
reagent type: oxidant
concentration
4% in H2O
technique(s)
electron microscopy: suitable
color
colorless to yellow
pH
6.0-8.0
density
1.0 g/mL at 20 °C
application(s)
hematology
histology
storage temp.
2-8°C
SMILES string
O=[Os](=O)(=O)=O
InChI
1S/4O.Os
InChI key
VUVGYHUDAICLFK-UHFFFAOYSA-N
Application
Osmium tetroxide solution has been used as a fixative in scanning and transmission electron microscopy.
Biochem/physiol Actions
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.
Packaging
5 mL in ampule
10 mL in ampule
10 mL in ampule
Other Notes
Due to the hazardous nature of osmium tetroxide, it is recommended to use an ampule opener when using this chemical.
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Questo articolo | |||
|---|---|---|---|
| description suitable for electron microscopy, 4% in H2O | description 4 wt. % in H2O | description 2.5 wt. % in tert-butanol | description ACS reagent, ≥98.0% |
| form solution | form liquid | form liquid | form crystalline |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
| pH 6.0-8.0 | pH - | pH - | pH - |
| density 1.0 g/mL at 20 °C | density 1.04 g/mL at 25 °C, 1.0 g/mL at 20 °C | density 0.811 g/mL at 25 °C, 1.0 g/mL at 20 °C | density - |
| reaction suitability reagent type: oxidant | reaction suitability reagent type: oxidant | reaction suitability reagent type: oxidant | reaction suitability reagent type: oxidant |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
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Parola di avvertenza
Danger
Codici di pericolo
Avvertenze di sicurezza
Hazard Classifications
Acute Tox. 2 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2
Classe di stoccaggio
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
Che succede?
WGK 1
Punto di infiammabilità (°F)
Not applicable
Punto di infiammabilità (°C)
Not applicable
DPI (dispositivi di protezione individuale)
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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How can I prepare 1% osmium tetroxide
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