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GT.

金虫 (小有名气)

[交流] 请教:NaH的性质

请问那位大虾知道NaH的性质,和在有机合成上的应用?
网上这方面的资料太少。谢谢!

[ Last edited by linweiguo0 on 2007-4-16 at 19:36 ]
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zhangquee

至尊木虫 (文坛精英)

爱花不采花,潇洒不乱洒!

★ ★
linweiguo0(金币+2):thank u
强碱, pka 35 的样子 常用60%含量的,多用来拔氢,生成氧负,碳负离子什么的.遇水剧烈燃烧
CCD2004上关于这个东西的内容:
Molecular Formula: HNa
Molecular Weight: 23.998
Accurate Mass: 23.997592
Percentage Composition: H 4.20%; Na 95.80%
General Statement: NaCl struct.
Source/Synthesis: Synth. by direct reaction of the elements at elevated temps.
Use/Importance: Commercially available as a dispersion in mineral oil or as a solid. Reducing agent in org. chem. Used in synth. of NaBH4
Physical Description: Moisture-sensitive white powder
Other Data: Dec. on heating into Na and H2. Reacts violently with H2O  NaOH + H2.  Hf 56.44 kJ mol1; Gf 33.55 kJ mol1; S 40.0 J K1 mol1
Hazard  Toxicity: Can react violently on addn. to H2O, also reacts violently or explosively with a variety of substances. Highly destructive to all tissues
一笑而过~
2楼2007-04-16 19:37:40
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医生

铜虫 (小有名气)

赞成!!!
3楼2007-04-19 23:16:23
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minisung

金虫 (正式写手)

极强还原性  不可用于水容易体系
我放下了尊严放下了个性放下了固执可就是放不下你可是现在你...在哪里??
4楼2007-04-21 10:00:35
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