# Silver cyanate

Silver cyanate is a chemical compound; it is the cyanate salt of silver.

Silver cyanate
Names
Systematic IUPAC name
Silver(I) cyanate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.020.007
Properties
AgOCN
Molar mass 149.885 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

It can be prepared by the reaction of potassium cyanate or urea with silver nitrate.[1]

${\displaystyle {\ce {AgNO3 + KOCN -> AgOCN v + KNO3}}}$
${\displaystyle {\ce {AgNO3 + H2N-C(O)-NH2 -> AgOCN v + NH4NO3}}}$

Silver cyanate is a beige to gray powder. It crystallises in the monoclinic crystal system in space group P21/m with parameters a = 547.3 pm, b = 637.2 pm, c = 341.6 pm, and β = 91°.[2]

With nitric acid, silver cyanate reacts to form silver nitrate, carbon dioxide, and ammonium nitrate.[3]

${\displaystyle {\ce {{AgOCN}+{2HNO3}+H2O->{AgNO3}+CO2{\uparrow }+NH4NO3}}}$