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Osmium Tetroxide, Crystalline, Highest Purity, 99.95%
(Osmic Acid Anhydride)
OsO4 F.W. 254.20 CAS #20816-12-0
Melting Range : 39.5-41.0°C
Boiling Point : 129.7°C
Vapor Pressure @25°C: 9.8 mmHg
Solubility: 5.07% in Cold Water, 6.5% in Hot Water, 25.0% in CCl4
Non-Volatile matter: <,0.02%
Osmium is a highly toxic, volatile solid, crystalised compound. It is colourless but almost appears yellow.
Small size (2 ml), Light-gauge, pre-scored amber glass ampoules. Ampoules containing OsO4 Crystal, are pre-cleaned and heat sealed in plastic bags to assure a contaminant-free solution. Ampoules are also free of pressure-sensitive labels and, therefore, do not require cleaning prior to solution preparation.
Aqueous Solutions are sealed under dry nitrogen with exact concentrations and volume in pre-scored amber-ampoules.
Applications:
Many uses, most commonly a post-fixative in EM.
Storage:
Store at room temperature
Store with milk powder — full-cream milk powder will inactivate osmium tetroxide»s toxic vapours and is less messy than corn oil
User Notes
See All Osmium Tetroxide
SDS Omium Tetroxide 4% Aqueous
Технические характеристики
C011-2
