Potassium carbonate
Potassium carbonate (K2CO3) is a white saut, soluble in watter (insoluble in ethanol[2]), which forms a strangly alkaline solution.
Names | |
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IUPAC name
Potassium carbonate
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Ither names
Potash, pearl ash
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
PubChem CID
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RTECS nummer | TS7750000 |
UNII | |
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Properties | |
K2CO3 | |
Molar mass | 138.205 g/mol |
Appearance | white, hygroscopic solid |
Density | 2.43 g/cm3 |
Meltin pynt | 891 °C (1,636 °F; 1,164 K) |
Bylin pynt | decomposes |
112 g/100 mL (20 °C) 156 g/100 mL (100 °C) | |
Solubility | insoluble in alcohol, acetone |
Hazards | |
Main hazards | Irritant |
R-phrases | R22 R36 R37 R38 |
NFPA 704 | |
Flash pynt | Non-flammable |
Lethal dose or concentration (LD, LC): | |
LD50 (Median dose)
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1870 mg/kg (oral, rat)[1] |
Relatit compoonds | |
Ither anions
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Potassium bicarbonate |
Ither cations
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Lithium carbonate Sodium carbonate Rubidium carbonate Caesium carbonate |
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa). | |
verify (whit is ?) | |
Infobox references | |