Calcium cyanide
Calcium cyanide is the inorganic compound with the formula Ca(CN)2. It is the calcium salt derived from hydrocyanic acid. It is a white solid, although the pure material is rarely encountered. It hydrolyses readily (even in moist air) to release hydrogen cyanide and is very toxic.
| Names | |
|---|---|
| IUPAC name
calcium dicyanide | |
| Systematic IUPAC name
calcium dicyanide | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.008.856 |
| EC Number |
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PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| Ca(CN)2 | |
| Molar mass | 92.1128 g/mol |
| Appearance | white powder |
| Odor | hydrogen cyanide |
| Density | 1.853 (20 °C) |
| Melting point | 640 °C (1,184 °F; 913 K) (decomposes) |
| soluble | |
| Solubility | soluble in alcohol, weak acids |
| Structure | |
| rhombohedric | |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards |
Highly Toxic |
| NFPA 704 (fire diamond) | |
| Non-flammable | |
| Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
39 mg/kg rat, oral |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
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