Nickel(II) cyanide
Nickel(II) cyanide is an inorganic compound with a chemical formula Ni(CN)2.
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| ChemSpider | |
| ECHA InfoCard | 100.008.329 |
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| UNII | |
| UN number | 1653 |
CompTox Dashboard (EPA) |
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| Properties | |
| Ni(CN)2 | |
| Molar mass | 110.729 |
| Appearance | yellow-brown solid（dry） blue gray solid（tetrahydrate）[1] |
| Hazards | |
| GHS pictograms |    |
| GHS Signal word | Danger |
GHS hazard statements |
H317, H334, H350, H372, H400, H410 |
| P201, P202, P260, P261, P264, P270, P272, P273, P280, P281, P285, P302+352, P304+341, P308+313, P314, P321, P333+313, P342+311, P363, P391, P405, P501 | |
| Related compounds | |
Other cations |
Iron(II) cyanide Cobalt(II) cyanide |
Related compounds |
Potassium cyanonickelate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Production
Reacting potassium cyanide and salts containing nickel(II) ions in aqueous solution can precipitate nickel(II) cyanide tetrahydrate. On heating the tetrahydrate to 140°C, it can produce dry (anhydrous) nickel(II) cyanide.[1]
Chemical properties
K2[Ni(CN)4] (a tetracyanonickelate) solution
Nickel(II) cyanide dissolves in potassium cyanide solution to produce a yellowish solution:
- Ni(CN)2 + 2 KCN → K2[Ni(CN)4]
Nickel(II) cyanide will react with dimethylglyoxime and produce hydrogen cyanide:[2]
- Ni(CN)2 + 2 C4H8O2N2 → Ni(C4H7O2N2) + 2 HCN
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References
- 《无机化学丛书》.第九卷 锰分族 铁系 铂系. 科学出版社. P286. 氰化镍(II)
- 《无机化学反应方程式手册》.曹忠良 王珍云 编.湖南科学技术出版社.第十三章 铁系元素. P379. 【其他含镍的化合物】
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