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三溴化钐

三溴化钐
英文名 Samarium(III) bromide
Samarium tribromide
别名 溴化钐
溴化钐(III)
识别
CAS号 13759-87-0  checkY
PubChem 24868613
ChemSpider 75528
SMILES
 
  • O.O.O.O.O.O.[Br-].[Br-].[Br-].[Sm+3]
InChI
 
  • InChI=1S/3BrH.6H2O.Sm/h3*1H;6*1H2;/q;;;;;;;;;+3/p-3
InChIKey LXJDCZVUWJNXRL-UHFFFAOYSA-K
性质
化学式 SmBr3
摩尔质量 390.07[1][2] g·mol⁻¹
外观 黄白色固体(无水)[1][3]
熔点 640 °C(913 K)[1]
溶解性 与水反应[1]
磁化率 +972.0·10−6 cm3/mol
危险性
GHS危险性符号
《全球化学品统一分类和标签制度》(简称“GHS”)中有害物质的标签图案
GHS提示词 警告
H-术语 H315, H319, H335[2]
P-术语 P261, P305+351+338[2]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

三溴化钐是一种无机化合物,化学式为SmBr3

制备

[编辑]

氧化钐溶于40%的氢溴酸中,可以结晶出SmBr3·6H2O。将水合物和氯化铵混合,真空加热,可得无水SmBr3[3]

Sm2O3 + 6 HBr → 2 SmBr3 + 3 H2O

参考文献

[编辑]
  1. ^ 1.0 1.1 1.2 1.3 CRC Handbook of Chemistry and Physics 97th Edition. 2016-06-24: 4–83. ISBN 1-4987-5428-7 (英语). 
  2. ^ 2.0 2.1 2.2 Samarium(III) bromide anhydrous, beads, −10 mesh, 99.99% | Sigma-Aldrich. www.sigmaaldrich.com. [21 December 2016]. (原始内容存档于2017-11-12). 
  3. ^ 3.0 3.1 林平娣, 吴国庆. 无水三溴化钐和三溴化镱的制备页面存档备份,存于互联网档案馆)[J]. 化学试剂, 1991(1):13-14.
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三溴化钐
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