• Identifiers:
  • Cas number: 584-08-7
  • PubChem number: 516886
  • RTECS number: TS7750000
• Properties:
  • Molecular formula: K₂CO₃
  • Molar mass: 138.205g/mol
  • Appearance: white powder, small round or granular crystal ball
  • Density: 2.29 g/cm³
  • Melting point: 891'C
  • Boiling point: decomposes
  • Solubility in water: 112g/100mL (20'C) 156g/100mL (100'C)
  • Solubility: insoluble in alcohol and acetone
• Specification below data's include the standard and inspection results:
  • K₂CO₃ content: 99.0/99.5%
  • KCl content: 0.01 maximum/0.005%
  • K₂SO₄ content: 0.01 maximum/0.003%
  • Fe: 0.001 maximum/0.0,007%
  • Insoluble matter: 0.02 maximum/0.01%
  • Loss on ignition: 0.60 maximum/0.45%
  • Granularity (1.4mm residue on sieve): 1.0 maximum/0.05%
  • Granularity (1.8mm residue on sieve): 90.0 minimum/100%
  • Stacking density: 1.3 minimum/2.9g/mL
• Packing: 25kg per bag (Kraft paper bag)