This product is packaged in a 2 mL prescored borosilicate glass ampoule. The dimensions are as follows:
Height - 7.5 cm / 2.95 in.
Diameter - 1.2 cm / 0.47 in.
Fortfahren mit
O5500
Osmiumtetroxid
Sealed ampule.
Synonym(e):
Osmium(VIII)-oxid, ‘Osmiumsäure’
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| Größe/SKU | Verfügbarkeit | Preis |
|---|---|---|
250 mg | Warenkorb auf Verfügbarkeit prüfen | € 220,00 |
1 g | Warenkorb auf Verfügbarkeit prüfen | € 633,00 |
10 x 1 g | Warenkorb auf Verfügbarkeit prüfen | € 3.830,00 |
Über diesen Artikel
Lineare Formel:
OsO4
CAS-Nummer:
Molekulargewicht:
254.23
NACRES:
NA.47
PubChem Substance ID:
UNSPSC Code:
12171500
EC Number:
244-058-7
MDL number:
Form:
powder
Technischer Dienst
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Unterstützung erhaltenvapor density
8.8 (vs air)
Quality Segment
vapor pressure
7 mmHg ( 20 °C)
form
powder
reaction suitability
reagent type: oxidant
bp
130 °C (lit.)
mp
39.5-41 °C (lit.)
SMILES string
O=[Os](=O)(=O)=O
InChI
1S/4O.Os
InChI key
VUVGYHUDAICLFK-UHFFFAOYSA-N
General description
Osmium tetroxide (OsO4) is a heavy tetrahedral, symmetrical molecule composed of osmium, a third-row transition metal. Osmium tetroxide 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 testroxide to ensure preservation of the lipids.
Application
Osmium tetroxide has been used as a fixative reagent for Brevibacterium mcbrellneri, and curcumin treated human lung cancer cell lines′ observation with a scanning electron microscope. It is also suitable as a fixative for ultrastructural analysis of Toxoplasma gondii′s skeletal muscle cells.
Biochem/physiol Actions
Osmium tetroxide chemically combines with lipids making them insoluble; only 7% of the lipids can be extracted after the fixation. Therefore, the cell membranes comprising phospholipids become black and electron-dense after fixation in osmium tetroxide. It is also used to fix small amount of fat maintained in sections during paraffin processing.
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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Dieser Artikel | |||
|---|---|---|---|
| description Sealed ampule. | description ReagentPlus®, 99.8% | description suitable for electron microscopy, 2% in H2O | description ACS reagent, ≥98.0% |
| form powder | form powder, crystalline | form solution | form crystalline |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
| vapor pressure 7 mmHg ( 20 °C) | vapor pressure 7 mmHg ( 20 °C) | vapor pressure - | vapor pressure 7 mmHg ( 20 °C) |
| mp 39.5-41 °C (lit.) | mp 39.5-41 °C (lit.) | mp - | mp 39.5-41 °C (lit.) |
| vapor density 8.8 (vs air) | vapor density 8.8 (vs air) | vapor density - | vapor density 8.8 (vs air) |
| reaction suitability reagent type: oxidant | reaction suitability reagent type: oxidant | reaction suitability reagent type: oxidant | reaction suitability reagent type: oxidant |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1B
Lagerklasse
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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Vorrei conoscere le dimensioni esatte dell'ampolla da 1 grammo
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