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75632

Osmium tetroxide solution

suitable for electron microscopy, 4% in H2O

Sinónimos:

Osmium(IV) oxide

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Tamaño de envaseSKUDisponibilidadPrecio
5 mL
Comprobar disponibilidad del carrito
$298.000
10 mL
Comprobar disponibilidad del carrito
$522.000

Acerca de este artículo

Fórmula lineal:
OsO4
Número CAS:
Peso molecular:
254.23
NACRES:
NA.47
PubChem Substance ID:
UNSPSC Code:
12171500
MDL number:
Form:
solution

$298.000


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form

solution

Quality Level

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

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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Este artículo
251755201030O5500
form

solution

form

liquid

form

crystalline, powder

form

powder

Quality Level

100

Quality Level

100

Quality Level

200

Quality Level

200

density

1.0 g/mL at 20 °C

density

1.0 g/mL at 20 °C, 1.04 g/mL at 25 °C

density

-

density

-

pH

6.0-8.0

pH

-

pH

-

pH

-

application(s)

hematology
histology

application(s)

-

application(s)

-

application(s)

-

color

colorless to yellow

color

-

color

-

color

-


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pictograms

Skull and crossbonesCorrosion

signalword

Danger

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2

Clase de almacenamiento

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

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter



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Bozzola JJ and Russell LD
Electron Microscopy: Principles and Techniques for Biologists (1999)
Antibacterial effect of component of Terminalia muelleri Benth. Against Staphylococcus aureus.
International Journal of Pharmaceutics, 6, 407-412 (2010)
Histological-MRI correlation in the primary motor cortex of patients with amyotrophic lateral sclerosis.
Meadowcroft MD, et al.
Journal of Magnetic Resonance Imaging : JMRI, 41, 665-665 (2015)



Número de artículo de comercio global

SKUGTIN
480371-25G04061832384092
75632-10ML04061832909318
75632-5ML04061832909332

Questions

  1. How can I prepare 1% osmium tetroxide 

    1 answer
    1. 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.

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