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Osmium tetroxide solution

SIGALD/251755 - 4 wt. % in H2O

CAS Number: 20816-12-0
Empirical Formula (Hill Notation): O4Os
Molecular Weight: 254.23
MDL Number: MFCD00011150
Linear Formula: OsO4
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-251755-2ML 2 mL
 $133.00
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45-251755-5ML 5 mL
 $201.00
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45-251755-10ML 10 mL
 $339.00
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concentration 3.5-4.5% (OsO4)
  4 wt. % in H2O
density 1.0 g/mL at 20 °C
  1.04 g/mL at 25 °C
form liquid
InChI 1S/4O.Os
InChI key VUVGYHUDAICLFK-UHFFFAOYSA-N
Quality Level 100 
reaction suitability reagent type: oxidant
SMILES string O=[Os](=O)(=O)=O
storage temp. 2-8°C
vapor pressure 1.23 psi ( 20 °C)
  3.55 psi ( 55 °C)
Application:

  • In situ X-ray-assisted electron microscopy staining for large biological samples.: This study explores the use of osmium tetroxide solution for X-ray-assisted electron microscopy staining, enhancing the visualization of large biological samples (Ströh et al., 2022 ).

  • Application of the electron microscope to the cytochemical peroxidase reaction in salamander leukocytes.: The use of osmium tetroxide solution in electron microscopy enhances the cytochemical analysis of peroxidase reactions in salamander leukocytes, providing clear and detailed images (MITSUI, 1960 ).
General description: OsO4 (4wt% in H2O) is widely employed in organic synthesis especially for hydroxylation reactions. Additionally, it is also involved in the oxidative cleavage of alkenes.
Density 1.0 g/mL at 20 °C; 1.04 g/mL at 25 °C
Storage Temp. 2-8°C
UNSPSC 12352303

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