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Topic summary

Cyanogen chloride

Cyanogen chloride
Names Preferred IUPAC name
Carbononitridic chloride
Systematic IUPAC name
Chloroformonitrile
Other names
  • Chlorine cyanide
  • Cyanic chloride
  • Chlorocyanogen
  • Chlorcyan
  • Chlorocyanide
  • CK
Identifiers
3D model (JSmol)
Abbreviations CK ChemSpider
ECHA InfoCard100.007.321EC Number
  • 208-052-8
MeSHcyanogen+chloride
RTECS number
  • GT2275000
UNII
UN number1589
  • InChI=1S/CClN/c2-1-3
    Key: QPJDMGCKMHUXFD-UHFFFAOYSA-N
  • ClC#N
Properties ClCN Molar mass61.470 g/mol Appearance Colorless gas Odoracrid Density2.7683 mg/cm (at 0 °C, 101.325 kPa) Melting point−6.55 °C (20.21 °F; 266.60 K) Boiling point13 °C (55 °F; 286 K) soluble Solubilitysoluble in ethanol, etherVapor pressure1.987 MPa (at 21.1 °C) −32.4·10 cm/mol Thermochemistry 236.33 J/(mol·K) 137.95 kJ/mol Hazards Occupational safety and health (OHS/OSH):
Main hazards
Highly toxic; forms cyanide in the body GHS labelling: DangerNFPA 704 (fire diamond)
4
0
2
Flash pointnonflammable NIOSH (US health exposure limits):
PEL (Permissible)
none
REL (Recommended)
C 0.3 ppm (0.6 mg/m)
IDLH (Immediate danger)
N.D. Safety data sheet (SDS) inchem.orgRelated compounds
Related alkanenitriles
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 chloride is an inorganic compound with the formulaClCN. This triatomic pseudohalogen is an easily condensed colorless gas. More commonly encountered in the laboratory is the related compound cyanogen bromide, a room-temperature solid that is used in biochemical analysis and preparation. Cyanogen compounds are highly toxic.

Wikipedia source