Identifiers | |
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3D model (
JSmol)
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ChemSpider | |
ECHA InfoCard | 100.008.329 |
EC Number |
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PubChem
CID
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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 labelling: | |
Danger | |
H317, H334, H350, H372, H410 | |
P201, P202, P260, P261, P264, P270, P272, P273, P280, P281, P285, P302+P352, P304+P341, P308+P313, P314, P321, P333+P313, P342+P311, P363, P391, P405, P501 | |
Related compounds | |
Other
cations
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Iron(II) cyanide Cobalt(II) cyanide |
Related compounds
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Potassium cyanonickelate |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
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Nickel dicyanide is the inorganic compound with a chemical formula Ni(CN)2. It is a gray-green solid that is insoluble in most solvents. [2]
Addition of two equivalents of sodium or potassium cyanide to a solution of nickel(II) ions in aqueous solution leads to the precipitation of nickel(II) cyanide tetrahydrate. [3] On heating the tetrahydrate to 140 °C, this hydrate converts to anhydrous nickel(II) cyanide. [2]
Nickel(II) cyanide dissolves in potassium cyanide solution to produce a yellowish solution containing potassium tetracyanonickelate: [2] [3]
Nickel(II) cyanide will react with dimethylglyoxime (dmgH2) and produce hydrogen cyanide: [4]