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磷酸铜

磷酸铜
IUPAC名
tricopper diphosphate
别名 磷酸铜(II)
识别
CAS号 7798-23-4  checkY
PubChem 86469
ChemSpider 77984
SMILES
 
  • [O-]P(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[Cu+2].[Cu+2].[Cu+2]
InChI
 
  • 1S/3Cu.2H3O4P/c;;;2*1-5(2,3)4/h;;;2*(H3,1,2,3,4)/q3*+2;;/p-6
InChIKey GQDHEYWVLBJKBA-UHFFFAOYSA-H
性质
化学式 Cu3(PO4)2
摩尔质量 380.580722 g/mol (无水)
434.63 g/mol (三水合物) g·mol⁻¹
外观 蓝绿色粉末(无水)
蓝色或橄榄色晶体(三水合物)
溶解性 不溶
溶度积Ksp 1.4×10−37[1]
溶解性 无水:
可溶于
三水合物:
溶于氨水
微溶于丙酮
不溶于乙醇
结构
晶体结构 正交晶系(三水)
危险性
PEL TWA 1 mg/m3 (as Cu)[2]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

磷酸铜,为磷酸盐,化学式为Cu3(PO4)2。它的无水物是蓝色固体。它可以通过磷酸二氢铵氧化铜高温反应而成:[3]

2 (NH4)2HPO4 + 3 CuO → Cu3(PO4)2 + 3 H2O + 4 NH3

结构

和大多数金属磷酸盐一样,磷酸铜是配位聚合物。磷酸铜中的磷酸根是四面体型的。在无水磷酸铜中,铜原子是五配位的;而在一水合物中,铜原子可以以四配位、五配位或是六配位存在。[4]

Cu3(PO4)2(H2O)的结构

参考文献

  1. ^ John Rumble. CRC Handbook of Chemistry and Physics 99. CRC Press. June 18, 2018: 5–188. ISBN 978-1138561632 (英语). 
  2. ^ NIOSH Pocket Guide to Chemical Hazards. #0150. NIOSH. 
  3. ^ Shoemaker, G. L.; Anderson, J. B.; Kostiner, E. Copper(II) phosphate. Acta Crystallographica Section B. 15 September 1977, 33 (9): 2969–2972. doi:10.1107/S0567740877010012. 
  4. ^ Effenberger, H. Cu3(PO4)2 · H2O: Synthese und Kristallstruktur. Journal of Solid State Chemistry. 1985, 57 (2): 240–247. Bibcode:1985JSSCh..57..240E. doi:10.1016/S0022-4596(85)80014-1. 
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磷酸铜
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