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Electron Microscopy Sciences EMS Osmium Tetroxide, Crystalline 1 GR
Supplier: Electron Microscopy Sciences 19102
(Osmic Acid Anhydride)
CAS #20816-12-0 OsO₄ F.W. 254.20
Solubility: 5.07% in Cold Water; 6.5% in Hot Water; Moderately sol. (7 g/100 mL), 25.0% in CCl4
Melting point: 39.5-41.0°C
Boiling point: 129.7°C
Crystalline, highest purity (99.95%), osmic acid anhydride. Small size (2ml), light-gauge, pre-scored amber glass ampoules. Ampoules containing osmium tetroxide 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.
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