Cyanogen iodide

Cyanogen iodide
Names
	Preferred IUPAC name Carbononitridic iodide
	Other names Iodine cyanide
Identifiers
CAS Number	506-78-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	10046 ;
ECHA InfoCard	100.007.322
EC Number	208-053-3;
PubChem CID	10478;
RTECS number	NN1750000;
UNII	81ESV254UF ;
CompTox Dashboard (EPA)	DTXSID50870573 ;
	InChI InChI=1S/CIN/c2-1-3 Key: WPBXOELOQKLBDF-UHFFFAOYSA-N ;
	SMILES IC#N;
Properties
Chemical formula	ICN
Molar mass	152.9219 g/mol
Appearance	White crystals
Density	1.84 g/cm3
Melting point	146.7 °C (296.1 °F; 419.8 K)
Solubility in water	Reacts
Vapor pressure	0.001 bar (298.4 K)
Thermochemistry
Std enthalpy of; formation (ΔfH⦵298)	160.5–169.1 kJ/mol
Hazards
NFPA 704 (fire diamond)	3 0 0
Related compounds
Related alkanenitriles	Hydrogen cyanide; Thiocyanic acid; Cyanogen bromide; Cyanogen chloride; Cyanogen fluoride; Acetonitriles; Aminoacetonitrile; Glycolonitrile; Cyanogen;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Cyanogen iodide or iodine cyanide is a compound with the chemical formula I C N. It 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. The molecule of this compound is linear, having the structural formula I−C≡N.