疊氮化鉀
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| 疊氮化鉀 | |||
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| IUPAC名 Potassium azide |
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| 识别 | |||
| CAS号 | 20762-60-1 | ||
| PubChem | 10290740 | ||
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| InChI |
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| 性质 | |||
| 化学式 | KN3 | ||
| 摩尔质量 | 81.1184 g/mol g·mol−1 | ||
| 外观 | 無色結晶[1] | ||
| 密度 | 2.04 g/cm3 [1] | ||
| 熔点 | 350 °C (在真空)[1] | ||
| 沸点 | 分解 | ||
| 溶解度(水) | 50.8 g/100g H2O at 20 °C[1] | ||
| 危险性 | |||
| 主要危害 | 有毒,加热时易爆炸 | ||
| NFPA 704 | |||
| 相关物质 | |||
| 其他阳离子 | 叠氮化鋰、叠氮化鈉、叠氮化銣、叠氮化銫, 疊氮化鉛 | ||
| 若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。 | |||
目录 |
性質 [编辑]
物理性質 [编辑]
化學性質 [编辑]
在加熱或紫外線照射時,它會分解成氮氣和鉀金屬。[4][5]
不同於重金屬疊氮化物,它是不敏感的衝擊,但遇熱可能會迅速爆炸[6]。
用途 [编辑]
參考文獻 [编辑]
- ^ 1.0 1.1 1.2 1.3 Dale L. Perry; Sidney L. Phillips. Handbook of inorganic compounds. CRC Press. 1995. 301. ISBN 0849386713.
- ^ 2.0 2.1 Khilji, M. Y.; Sherman, W. F.; Wilkinson, G. R. Variable temperature and pressure Raman spectra of potassium azide KN3. Journal of Raman Spectroscopy. 1982, 12 (3): 300–303. Bibcode:1982JRSp...12..300K. doi:10.1002/jrs.1250120319.
- ^ Pringle, G. E.; Noakes, D. E. The crystal structures of lithium, sodium and strontium azides. Acta Cryst. 1968.February,. B24 (2): 262–269. doi:10.1107/S0567740868002062.
- ^ Tompkins, F. C.; Young, D. A. The Photochemical and Thermal Formation of Colour Centres in Potassium Azide Crystals. Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences. 1982, 236 (1204): 10–23.
- ^ Pradyot Patnaik. Handbook of inorganic chemicals. McGraw-Hill Professional. 2003. 734. ISBN 0070494398.
- ^ Pradyot Patnaik. A comprehensive guide to the hazardous properties of chemical substances 3rd. Wiley-Interscience. 2007. 615. ISBN 0471714585.
- ^ T. D. Hughes; L. F. Welch. Potassium Azide as a Nitrification Inhibitor. Agronomy Journal (American Society of Agronomy). 1970, 62: 595–599.