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Names | |||
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Preferred IUPAC name
Carbononitridic iodide[2] | |||
Other names
Iodine cyanide[1]
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Identifiers | |||
3D model (JSmol)
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ChemSpider | |||
ECHA InfoCard | 100.007.322 | ||
EC Number |
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PubChem CID
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RTECS number |
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UNII | |||
CompTox Dashboard (EPA)
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Properties[4] | |||
ICN | |||
Molar mass | 152.9219 g mol−1 | ||
Appearance | White crystals | ||
Density | 1.84 g mL−1 | ||
Melting point | 146.7 °C (296.1 °F; 419.8 K) | ||
Reacts | |||
Vapor pressure | 0.001 bar (298.4K)[3] | ||
Thermochemistry | |||
Std enthalpy of
formation (ΔfH⦵298) |
160.5–169.1 kJ mol−1 | ||
Hazards | |||
NFPA 704 (fire diamond) | |||
Related compounds | |||
Related alkanenitriles
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Cyanogen iodide or iodine cyanide (ICN) is a pseudohalogen composed of iodine and the cyanide group. It is a highly toxic inorganic compound. It occurs as white crystals that react slowly with water to form hydrogen cyanide.[5][6][7]