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About This Item
Linear Formula:
OsO4
CAS Number:
Molecular Weight:
254.23
MDL number:
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
244-058-7
Assay:
≥98.0%
Grade:
ACS reagent
Form:
crystalline
Solubility:
acetone: soluble(lit.), carbon tetrachloride: soluble(lit.), methyl tert-butyl ether: soluble(lit.), toluene: soluble(lit.), water: soluble(lit.)
grade
ACS reagent
Quality Level
vapor density
8.8 (vs air)
vapor pressure
7 mmHg ( 20 °C)
description
identification passes test
assay
≥98.0%
form
crystalline
reaction suitability
reagent type: oxidant
clarity of soln
passes test
bp
130 °C (lit.)
mp
39.5-41 °C (lit.)
solubility
acetone: soluble(lit.), carbon tetrachloride: soluble(lit.), methyl tert-butyl ether: soluble(lit.), toluene: soluble(lit.), water: soluble(lit.)
storage temp.
2-8°C
SMILES string
O=[Os](=O)(=O)=O
InChI
1S/4O.Os
InChI key
VUVGYHUDAICLFK-UHFFFAOYSA-N
Application
Osmium tetroxide may be used in the following processes:
- As a tissue-staining contrast agent for staining tissues.
- Lactonization of alkenols to lactones by oxidation.
- Synthesis of the corresponding tetrols from 1,5-cycloocatdiene by bishydroxylation.
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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
Storage Class
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
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On the Stereoselectivity in Bisdihydroxylation of 1,5-cyclooctadiene with Osmium Tetroxide.
Kawazoe K, et al.
Synthetic Communications, 31(14), 2107-2112 (2001)
Direct Lactonization of Alkenols via Osmium Tetroxide-Mediated Oxidative Cleavage.
Schomaker JM, et al.
Organic Letters, 5(17), 3089-3092 (2003)
Vacuum ultraviolet spectra of osmium tetroxide and ruthenium tetroxide.
Roebber JL, et al.
J. Chem. Phys. , 60(8), 3166-3173 (1974)

