Lithium Hydride

lithium hydride

[′lith·ē·əm ′hī‚drīd] (inorganic chemistry) LiH Flammable, brittle, white, translucent crystals; decomposes in water; insoluble in ether, benzene, and toluene; used as a hydrogen source and desiccant, and to prepare lithium amide and double hydrides.

Lithium Hydride

LiH; colorless crystals. Density, 0.776 g/cm³. It is the most stable of all the alkali and alkaline-earth metal hydrides. In a vacuum it melts at 680°-697°C, with virtually no decomposition; at higher temperatures it decomposes. It reacts vigorously with water: LiH + H₂O = LiOH + H₂. In industry it is prepared mainly by the hydrogenation of fused lithium with pure hydrogen at 680°-700°C. Lithium hydride is used for the direct and rapid production of hydrogen (1 kg LiH yields 2.8 m³ H₂) and many metal hydrides and as a strong reducing agent in organic synthesis.

单词	lithium hydride
释义	Lithium Hydride lithium hydride [′lith·ē·əm ′hī‚drīd] (inorganic chemistry) LiH Flammable, brittle, white, translucent crystals; decomposes in water; insoluble in ether, benzene, and toluene; used as a hydrogen source and desiccant, and to prepare lithium amide and double hydrides. Lithium Hydride LiH; colorless crystals. Density, 0.776 g/cm³. It is the most stable of all the alkali and alkaline-earth metal hydrides. In a vacuum it melts at 680°-697°C, with virtually no decomposition; at higher temperatures it decomposes. It reacts vigorously with water: LiH + H₂O = LiOH + H₂. In industry it is prepared mainly by the hydrogenation of fused lithium with pure hydrogen at 680°-700°C. Lithium hydride is used for the direct and rapid production of hydrogen (1 kg LiH yields 2.8 m³ H₂) and many metal hydrides and as a strong reducing agent in organic synthesis. AcronymsSeeLiH
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