Potassium cyanate

Potassium cyanate is an inorganic compound with the formula KOCN (sometimes denoted KCNO). It is a colourless solid. It is used to prepare many other compounds including useful herbicide. Worldwide production of the potassium and sodium salts was 20,000 tons in 2006.

Potassium cyanate

${\displaystyle {\ce {\mathsf {K+\ \ ^{-}N=C=O}}}}$
Names
IUPAC name Potassium cyanate
Identifiers
CAS Number	590-28-3 Y
3D model (JSmol)	Interactive image
Beilstein Reference	3560091
ChEBI	CHEBI:38904 Y
ChEMBL	ChEMBL4079232
ChemSpider	11053 Y
ECHA InfoCard	100.008.798
EC Number	209-676-3
Gmelin Reference	21361
KEGG	C19067 Y
PubChem CID	11378442
RTECS number	GS6825000
UNII	G9C31TWN5M Y
CompTox Dashboard (EPA)	DTXSID2047692
InChI InChI=1S/CHNO.K/c2-1-3;/h3H;/q;+1/p-1 Y Key: GKKCIDNWFBPDBW-UHFFFAOYSA-M Y InChI=1/CHNO.K/c2-1-3;/h3H;/q;+1/p-1 Key: GKKCIDNWFBPDBW-REWHXWOFAI
SMILES C(#N)[O-].[K+]
Properties
Chemical formula	KOCN
Molar mass	81.1151 g/mol
Appearance	white, crystalline powder
Density	2.056 g/cm3
Melting point	315 °C (599 °F; 588 K)
Boiling point	~ 700 °C (1,292 °F; 973 K) decomposes
Solubility in water	75 g/100 mL
Solubility	very slightly soluble in alcohol
Structure
Crystal structure	tetragonal
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302
Precautionary statements	P264, P270, P301+P312, P330, P501
NFPA 704 (fire diamond)	2 0 0
Lethal dose or concentration (LD, LC):
LD50 (median dose)	841 mg/kg (oral, rat)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references