Back كلوريد السيانوجين Arabic Sianxlorid Azerbaijani سیانوژن کولورید AZB Хлорцыян Byelorussian Chlorkyan Czech Chlorcyan German Χλωριούχο κυάνιο Greek Cianogena klorido Esperanto Cloruro de cianógeno Spanish سیانوژن کلرید Persian

Cyanogen chloride

Cyanogen chloride
Skeletal formula of cyanogen chloride
Skeletal formula of cyanogen chloride
Ball and stick model of cyanogen chloride
Ball and stick model of cyanogen chloride
Spacefill model of cyanogen chloride
Spacefill model of cyanogen chloride
Names
Preferred IUPAC name
Carbononitridic chloride
Systematic IUPAC name
Chloroformonitrile
Other names
  • Chlorine cyanide
  • Cyanic chloride
  • Chlorocyanogen
  • Chlorcyan
  • Chlorocyanide
Identifiers
3D model (JSmol)
Abbreviations CK
ChemSpider
ECHA InfoCard 100.007.321 Edit this at Wikidata
EC Number
  • 208-052-8
MeSH cyanogen+chloride
RTECS number
  • GT2275000
UNII
UN number 1589
  • InChI=1S/CClN/c2-1-3 checkY
    Key: QPJDMGCKMHUXFD-UHFFFAOYSA-N checkY
  • ClC#N
Properties[1]
CNCl
Molar mass 61.470 g mol−1
Appearance Colorless gas
Odor acrid
Density 2.7683 mg mL−1 (at 0 °C, 101.325 kPa)
Melting point −6.55 °C (20.21 °F; 266.60 K)
Boiling point 13 °C (55 °F; 286 K)
soluble
Solubility soluble in ethanol, ether
Vapor pressure 1.987 MPa (at 21.1 °C)
-32.4·10−6 cm3/mol
Thermochemistry
236.33 J K−1 mol−1
137.95 kJ mol−1
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Highly toxic;[2] forms cyanide in the body[3]
GHS labelling:
GHS05: Corrosive GHS06: Toxic GHS09: Environmental hazard
Danger
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 0: Will not burn. E.g. waterInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazards (white): no code
4
0
2
Flash point nonflammable[3]
NIOSH (US health exposure limits):
PEL (Permissible)
 none[3]
REL (Recommended)
 C 0.3 ppm (0.6 mg/m3)[3]
IDLH (Immediate danger)
 N.D.[3]
Safety data sheet (SDS) inchem.org
Related compounds
Related alkanenitriles
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Cyanogen chloride is an inorganic compound with the formula NCCl. This linear, 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.

  1. ^ Lide, David R., ed. (2006). CRC Handbook of Chemistry and Physics (87th ed.). Boca Raton, Florida: CRC Press. ISBN 0-8493-0487-3.
  2. ^ "CYANOGEN CHLORIDE (CK)". The Emergency Response Safety and Health Database. NIOSH. 9 July 2021.
  3. ^ a b c d e NIOSH Pocket Guide to Chemical Hazards. "#0162". National Institute for Occupational Safety and Health (NIOSH).
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