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45384 Osmium(VIII) oxide, 2% aq. soln.

CAS Number
Osmic acid
Osmium tetroxide

Stock No. Size Price ($) Quantity Availability
45384-9W 2ml 65.10
45384-AB 10ml 101.00
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Osmium(VIII) oxide, 2% aq. soln.


Chemical Properties

Formula Weight
Storage & Sensitivity
Air Sensitive. Store under Argon. Ambient temperatures.
Soluble in alcohol, ether, chloroform, benzene, ammonium hydroxide, phosphorus oxychloride and carbon tetrachloride


Osmium(VIII) oxide is widely used as an oxidant in organic synthesis to oxidize alkenes to vicinal diols as well as in the sharpless oxyamination to give vicinal amino-alcohols. It is involved in the oxidative cleavage of alkenes (Lemieux-Johnson oxidation) in association with sodium periodate. It finds application in transmission electron microscopy (TEM) as a staining agent. It is involved in the promotion of oxidative cleavage of graphene layers in carbon nanotubes and as an intermediate in osmium ore refining. As a lipid stain, it is useful in scanning electron microscopy (SEM) as an alternative to sputter coating.


Store in cool place. Incompatible with strong acids, hydrogen chloride, organic materials and finely powdered metals.

Literature References

Fojta, M.; Kostecka, P.; Pivonkova, H.; Horakova, P.; Havran, L. Osmium tetroxide complexes as versatile tools for structure probing and electrochemical analysis of biopolymers. Curr. Anal. Chem. 2011, 7 (1), 35-50.

Louviot, M.; Boudon, V.; Bermejo, D.; Martinez, R. Z.; Manceron, L. High-resolution stimulated Raman spectroscopy and analysis of the ?1 band of osmium tetroxide. J. Raman Spectrosc. 2013, 44 (1), 63-69.

GHS Hazard and Precautionary Statements

Hazard Statements: H311-H315-H319-H332

Toxic in contact with skin. Causes skin irritation. Causes serious eye irritation. Harmful if inhaled.

Precautionary Statements: P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P361-P363-P501c

Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. Remove/Take off immediately all contaminated clothing. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

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Packing Group
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