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CAS Number
- 584-08-7
- 6381-79-9 sesquihydrate
3D model (JSmol)
- Interactive image
ChEBI - CHEBI:131526
ChemSpider - 10949
ECHA InfoCard 100.008.665 E number E501(i) (acidity regulators, ...) PubChem CID
- 11430
RTECS number - TS7750000
UNII - BQN1B9B9HA
CompTox Dashboard (EPA)
- DTXSID2036245
Chemical formula
K2CO3 Molar mass 138.205 g/mol Appearance White, hygroscopic solid Density 2.43 g/cm3 Melting point 891 °C (1,636 °F; 1,164 K) Boiling point Decomposes Solubility in water
110.3 g/100 mL (20 °C)
149.2 g/100 mL (100 °C)Solubility - 3.11 g/100 mL (25 °C) methanol
- Insoluble in alcohol, acetone
Magnetic susceptibility (χ)
−59.0·10−6 cm3/mol
