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硫化钡

硫化钡
IUPAC名
Barium sulfide
识别
CAS号 21109-95-5  checkY
ChemSpider 5256933
InChI
 
  • 1/Ba.S/q+2;-2
InChIKey CJDPJFRMHVXWPT-UHFFFAOYAO
EINECS 244-214-4
ChEBI 32590
性质
化学式 BaS
摩尔质量 169.392 g·mol⁻¹
外观 白色晶体
密度 4.25 g/cm3 (15°C)
熔点 1200°C
危险性
主要危害 有毒
相关物质
其他阴离子 氧化钡
其他阳离子 硫化钙硫化锶
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

硫化钡化学式BaS)是硫化物,室温下为白色等轴晶系晶体,不纯时为浅灰色、黄绿色、浅棕色或黑色的粉末。它是第一个制得的磷光体材料,性质和制备都因此而被广泛研究过。[1]

用适量的处理硫氢化钡的水溶液或溶液,便可得到橙黄色的多硫化钡

它在潮湿空气中水解放出有毒的硫化氢气体,与水或酸反应也会生成硫化氢,其他产物是氢氧化钡、硫氢化钡或其他钡盐。可以从饱和溶液析出六水合物(BaS·6H2O),六方片状晶体。硫化钡有毒,食入会造成中毒,水溶液具碱性,对皮肤和毛发有腐蚀性和脱毛作用。

制取

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工业上,硫化钡是从重晶石矿制取其他钡化合物的中间体,可用于制取碳酸钡氯化钡立德粉等其他材料。[2]重晶石的主要成分为硫酸钡,用粉还原就可得到硫化钡:[3]

参考资料

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  1. ^ Vij, D. R.; Singh, N. "Optical and electrical properties of II-VI wide gap semiconducting barium sulfide" Proceedings of SPIE-The International Society for Optical Engineering (1992), 1523(Conf. Phys. Technol. Semicond. Devices Integr. Circuits, 1992), 608-12.
  2. ^ Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. ISBN 0-12-352651-5.
  3. ^ F. Licetus, Litheosphorus, sive de lapide Bononiensi lucem in se conceptam ab ambiente claro mox in tenebris mire conservante, Utini, ex typ. N. Schiratti, 1640. 参见 http://www.chem.leeds.ac.uk/delights/texts/Demonstration_21.htm页面存档备份,存于互联网档案馆
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硫化钡
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