8.04957

Potassium cyanate

for synthesis

• Synonym(s): Potassium cyanate, Cyanic acid potassium salt
• Empirical Formula (Hill Notation): CKNO
• CAS Number: 590-28-3
• Molecular Weight: 81.12
• MDL number: MFCD00011411
• UNSPSC Code: 12352302
• EC Index Number: 209-676-3
• NACRES: NA.22

Properties

• Quality Level: 200
• form: powder
• potency: 567 mg/kg LD₅₀, oral (Rat)
• pH: 10 (20 °C, 50 g/L in H₂O)
• bp: 700-900 °C/1000 hPa (decomposition)
• mp: 315 °C
• solubility: 750 g/L
• density: 2.056 g/cm³ at 20 °C
• bulk density: 870 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/CHNO.K/c2-1-3;/h3H;/q;+1/p-1
• InChI key: GKKCIDNWFBPDBW-UHFFFAOYSA-M

Description

Analysis Note

Assay (argentometric): ≥ 97.0 %
Potassium cyanide: ≤ 1.0 %

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H302 - H319 - H412
• Precautionary Statements: P264 - P270 - P273 - P280 - P301 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable