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nature : for the pure silvery white needle-like crystals, but contain a small amount of metal and was gray. Commodity-gray powder. 0.92g/m3 density. At 800 ° C melting and decomposition. The explosive reaction with water. Alcohol violent and vulgar response. The wet air because of hydrogen and emit a lot of heat easily catch fire. Soluble molten sodium hydroxide. Do not dissolve in liquid ammonia, benzene, carbon disulfide, such as carbon tetrachloride. With Ammonia in high temperature conditions generation sodium amide. Metallic sodium can be directly and hydrogen system in combination. For condensing agent and strong reducing agent such.
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