Cesium cyanide (chemical formula: CsCN) is the cesium salt of hydrogen cyanide. It is a white solid, easily soluble in water, with a smell reminiscent of bitter almonds, and with crystals similar in appearance to sugar. Caesium cyanide has chemical properties similar to potassium cyanide and is very toxic.
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| Names | |||
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| IUPAC name
Cesium cyanide | |||
| Identifiers | |||
3D model (JSmol) |
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| ChemSpider | |||
PubChem CID |
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| Properties | |||
| CCsN | |||
| Molar mass | 158.923 g·mol−1 | ||
| Appearance | White solid | ||
| Hazards | |||
| Occupational safety and health (OHS/OSH): | |||
Main hazards |
Extremely toxic | ||
| NFPA 704 (fire diamond) | |||
| Lethal dose or concentration (LD, LC): | |||
LD50 (median dose) |
5 mg/kg[1] | ||
| Related compounds | |||
Other cations |
Lithium cyanide Sodium cyanide Potassium cyanide Rubidium cyanide Ammonium cyanide | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Hydrogen cyanide reacts with cesium hydroxide giving cesium cyanide and water:[2]
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