[045384] CAS 20816-12-0 | Osmium(VIII) oxide, 2% aq. soln. | Alfa
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Brand: Alfa Aesar
20816-12-0 | O4Os | osmium tetroxide
Chemical Identifiers
CAS
20816-12-0
Molecular Weight (g/mol)
254.23
MDL Number
MFCD00011150
Synonym
osmium tetroxide
SMILES
O=[Os](=O)(=O)=O
InChI Key
VUVGYHUDAICLFK-UHFFFAOYSA-N
Molecular Formula
O4Os
IUPAC Name
tetraoxoosmium
Specifications
Form
Liquid
Appearance (Color)
Pale yellow
Assay from Supplier’s CofA
1.4-1.6% Os (1.9-2.1% as OsO₄) in water
설명
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.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Other References:
Merck Index:14,6893UN Number:UN3287
GHS Hazard and Precautionary Statements
Hazard Statements:H311-H315-H319-H332
GHS H StatementH301-H311-H315-H319 Toxic if swallowed. Toxic in contact with skin. Causes skin irritation. Causes serious eye irritation.
Precautionary Statements:P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P361-P363-P501c
Risk & Safety
TSCA:Yes
경고:RUO – Research Use Only
CAS20816-12-0FORMULAO4OsHAZARD CLASS6.1EINECS244-058-7MDLMFCD00011150PACKAGING GROUPIII
| Pakage | 10ml, 2ml |
|---|---|
| brand | Alfa Aesar |
