Calcium cyanide

Calcium cyanide
Names
IUPAC name
calcium dicyanide
Systematic IUPAC name
calcium dicyanide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.008.856 Edit this at Wikidata
EC Number
  • 209-740-0
UNII
  • InChI=1S/2CN.Ca/c2*1-2;/q2*-1;+2
  • [Ca+2].[C-]#N.[C-]#N
Properties
Ca(CN)2
Molar mass 92.1128 g/mol
Appearance white powder
Odor hydrogen cyanide
Density 1.853 (20 °C)
Melting point 640 °C (1,184 °F; 913 K) (decomposes)
soluble
Solubility soluble in alcohol, weak acids
Structure
rhombohedric
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Highly Toxic
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
3
0
1
Non-flammable
Lethal dose or concentration (LD, LC):
39 mg/kg rat, oral[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Calcium cyanide is the inorganic compound with the formula Ca(CN)2. It is the calcium salt derived from hydrocyanic acid. It is a white solid, although the pure material is rarely encountered. It slowly hydrolyses in solution or moist air to release hydrogen cyanide and is very toxic.[3]

  1. ^ "GESTIS-Stoffdatenbank". gestis-dguv-de. Retrieved 2022-04-16.
  2. ^ "CALCIUM CYANIDE | CAMEO Chemicals | NOAA".
  3. ^ Gail, Ernst; Gos, Stephen; Kulzer, Rupprecht; Lorösch, Jürgen; Rubo, Andreas; Sauer, Manfred (2004). "Cyano Compounds, Inorganic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a08_159.pub2. ISBN 3527306730.