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LC4923 Potassium cyanate
for synthesis


Order number Packaging Quantity Price €
AC31923 Plastic bottle 100 g 11.88
AC31923 Plastic bottle 1 kg 24.53


Product information
Synonyms Cyanic acid potassium salt
Hill Formula CKNO
Chemical formula KOCN
HS Code 2842 90 80
EC number 209-676-3
Molar mass 81.12 g/mol
EC index number 615-016-00-9
CAS number 590-28-3


Chemical and physical data
Solubility 750 g/l (20 °C)
Melting point 314 – 316 °C
Molar mass 81.12 g/mol
Density 2.056 g/cm3 (20 °C)
Bulk density 870 kg/m3
pH value 10 (50 g/l, H2O, 20 °C)


Safety information
R Phrase R 22
Harmful if swallowed.
S Phrase S 24/25
Avoid contact with skin and eyes.
Categories of danger harmful
Hazard Symbol  Harmful
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 6
Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.



Toxicological data
LD 50 oral LD50 rat 567 mg/kg


Assay (argentometric) ≥ 97 %
Potassium cyanide ≤ 1 %