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8.04957 EMD Millipore

Potassium cyanate

Potassium cyanate for synthesis. CAS No. 590-28-3, EC Number 209-676-3., for synthesis

Synonym: Cyanic acid potassium salt

  • CAS Number 590-28-3

  • Linear Formula CKNO

  • Molecular Weight 81.12 g/mol

  •  EC Number 209-676-3

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Properties

packaging   100 g in Plastic bottle (8049570100)
bp   700 - 900 °C (1000 hPa) Not applicable,(decomposition)
solubility   750 g/l
density   2.056 g/cm3 (20 °C)
mp   315 °C
pH   10 (50 g/l, H₂O, 20 °C)
bulk density   870 kg/m3
LD 50 oral   LD50 Rat 567 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (argentometric): ≥ 97.0 %
  Potassium cyanide: ≤ 1.0 %

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Safety & Documentation

Safety Information

HS Code 
2842 90 80
Hazard Statement(s) 
H302: Harmful if swallowed.
Precautionary Statement(s) 
P262: Do not get in eyes, on skin, or on clothing.
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.
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Harmful  Harmful
Categories of danger 
harmful
R Phrase 
R 22
Harmful if swallowed.
S Phrase 
S 24/25
Avoid contact with skin and eyes.
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