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砷酸铜

砷酸铜
IUPAC名
砷酸铜
识别
CAS号 7778-41-8 ?
PubChem 26065
ChemSpider 24279
SMILES
 
  • [Cu+2].[Cu+2].[Cu+2].[O-][As]([O-])(=O)[O-].[O-][As]([O-])([O-])=O
InChI
 
  • 1/2AsH3O4.3Cu/c2*2-1(3,4)5;;;/h2*(H3,2,3,4,5);;;/q;;3*+2/p-6
InChIKey RKYSWCFUYJGIQA-CYFPFDDLAM
性质
化学式 Cu3(AsO4)2
摩尔质量 468.48 g·mol⁻¹
外观 蓝色或蓝绿色粉末
密度 5.2 g/cm3
熔点 1100 °C
溶解性 不可溶
溶解性 溶于氨水,稀释的
危险性
欧盟编号 没列出
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

砷酸铜(Cu3(AsO4)2.4H2O,或 Cu5H2(AsO4)4.2H2O),是一种蓝色或蓝绿色粉末,不可溶于酒精,但可溶于氨水稀释。其CAS号是[7778-41-8]或[10103-61-4]。

用途

砷酸铜可用作农业杀虫剂,也可用作除草剂抗真菌剂灭鼠剂。在子弹诱饵中可作为毒药使用。

砷酸铜有时会被误称为舍勒绿,尤其是用作色素时。

自然界中的存在

结晶水砷酸铜Cu3(AsO4)2,可在自然中形成矿物斜砷铜石[1]。四水合砷酸铜Cu3(AsO4)2.4H2O,在自然界中以矿物rollandite的形式存在[2]

相关化合物

碱式砷酸铜(Cu(OH)AsO4)是砷酸铜的基本变体,其CAS号为[16102-92-4],在自然界中形成橄榄铜矿英语olivenite,可用于杀虫剂、抗真菌剂和除蹒剂英语miticide,但从2001年起泰国禁止使用这种农药 [1]

参见

扩展链接

参考资料

  1. ^ Hawthorne, F. C. Lammerite, Cu3(AsO4)2, a modulated close-packed structure (PDF). American Mineralogist. 1986, 71: 206–209 [2011-03-27]. (原始内容存档 (PDF)于2011-06-16). 
  2. ^ Sarp, H.; Černý, R. Rollandite, Cu3(AsO4)2·4H2O, a new mineral. Eur. J. Mineral. 2000, 12: 1045–1050. doi:10.1127/0935-1221/2000/0012-1045. 
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砷酸铜
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