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.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 Osmium Purity: >99.95% Non-Volatile matter: <0.02%
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