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氢化钠CASNo为理化性质.doc

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氢化钠,化学式为NaH,是一种无机盐。有机合成中,氢化钠主要被用作强碱。氢化钠不溶于有机溶剂,溶于熔融金属钠,因此几乎所有与氢化钠有关的反应都于固体表面发生。
CAS号: 7646-69-7
产品中文名:氢化钠
产品英文名:Sodium hydride
Molecular Formula: HNa
Molecular Weight:
position: H %, Na %
Line Formula: NaH
Literature References: Prepd by passing hydrogen into molten sodium dispersed in oil or mixed with a catalyst such as anthracene above 250°: Hansley, Carlisle, Chem. Eng. News 23, 1332 (1945). Laboratory procedure by hydrogenating sodium dispersions: Mattson, Whaley, . Synth. 5, 10 (1957). Book: J. Plesek, S. Hermanek, Sodium Hydride, Its Use in the Laboratory and in Technology (Iliffe Books, London, 1968) 185 pp.
Properties: Silvery needles; mercial product is a gray-white powder. d . Dec 425°. Reacts explosively with water, violently with lower alcohols, ignites spontaneously on standing in moist air. Sol in molten sodium hydroxide, insol in liq ammonia but forms sodamide at moderate temps.
Density: d
Use: At low temps where reducing properties of sodium are undesirable as in the condensation of ketones and

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