Potassium carbonate

Potassium carbonate (K2CO3) is a white saut, soluble in watter (insoluble in ethanol[2]), which forms a strangly alkaline solution.

Potassium carbonate
Names
IUPAC name
Potassium carbonate
Ither names
Potash, pearl ash
Identifiers
CAS Nummer
3D model (JSmol)
ChemSpider
RTECS nummerTS7750000
UNII
Properties
K2CO3
Molar mass138.205 g/mol
Appearancewhite, hygroscopic solid
Density2.43 g/cm3
Meltin pynt 891 °C (1,636 °F; 1,164 K)
Bylin pyntdecomposes
Solubility in watter
112 g/100 mL (20 °C)
156 g/100 mL (100 °C)
Solubilityinsoluble in alcohol, acetone
Hazards
Main hazardsIrritant
R-phrasesR22 R36 R37 R38
NFPA 704
NFPA 704 four-colored diamondFlammability code 0: Will nae burn. E.g., watterHealth code 1: Exposur would cause irritation but anly minor residual injury. E.g., turpentineReactivity code 0: Normally stable, even unner fire exposur condeetions, an is nae reactive wi watter. E.g., liquid nitrogenSpecial hazards (white): no code
0
1
0
Flash pyntNon-flammable
Lethal dose or concentration (LD, LC):
LD50 (Median dose)
1870 mg/kg (oral, rat)[1]
Relatit compoonds
Ither anions
Potassium bicarbonate
Ither cations
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).
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Infobox references

References