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nature : OsO4 white or slightly yellow crystals. Like the smell of chlorine. The relative density of 4.906 (22 ° C). 40.6 ° C melting point. The boiling point 130 ° C. Slightly soluble in water. Soluble ethanol, ethyl ether, carbon tetrachloride. Highly toxic vapor! Can harm eyes, skin and respiratory tract, the use of security must take note! For catalyst and oxidizer. In electron microscope examination can be used as organizations colorings. Will osmium powder in 300 ~ 400 ° C in air or oxygen generated from heating.
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