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590-28-3

Name Potassium cyanate
CAS 590-28-3
EINECS(EC#) 209-676-3
Molecular Formula CKNO
MDL Number MFCD00011411
Molecular Weight 81.12
MOL File 590-28-3.mol

Chemical Properties

Appearance white powder
Melting point  315 °C
density  2.056 g/mL at 25 °C(lit.)
vapor pressure  0Pa at 25℃
storage temp.  Store below +30°C.
solubility  750g/l
form  Crystalline Powder and Chunks
color  White
Specific Gravity 2.056
PH 10 (50g/l, H2O, 20℃)
Stability: Stable. Incompatible with acids.
Water Solubility  750 g/L (20 ºC)
Merck  14,7625
Boiling point  700-900°C (1000 hPa) Not applicable,(decomposition)
BRN  3594798
Exposure limits NIOSH: IDLH 25 mg/m3
LogP 0.3 at 20℃
Uses
Herbicide, manufacture of organic chemicals and drugs, treatment of sickle-cell anemia.
CAS DataBase Reference 590-28-3(CAS DataBase Reference)
EPA Substance Registry System 590-28-3(EPA Substance)

Safety Data

Hazard Codes  Xn
Risk Statements 
R22:Harmful if swallowed.
Safety Statements 
S24/25:Avoid contact with skin and eyes .
WGK Germany  1
RTECS  GS6825000
TSCA  Yes
HS Code  28429019
Safety Profile
Poison by intraperitoneal route. Moderately toxic by ingestion. Causes irritation of the gastrointestinal tract. An herbicide. It is said to be slowly metabolized in the body to cyanide but does not have high toxicity of cyanides. When heated to decomposition it emits very toxic fumes of CNand K2O.
Hazardous Substances Data 590-28-3(Hazardous Substances Data)
Toxicity
LD50 i.p. in mice: 320 mg/kg (Cerami)

Hazard Information

Material Safety Data Sheet(MSDS)

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