Potassium carbonate

Potassium carbonate
Names
	IUPAC name Potassium carbonate
	Ither names Potash, pearl ash
Identifiers
CAS Nummer	584-08-7 ;
3D model (JSmol)	Interactive eemage;
ChemSpider	10949 ;
PubChem CID	11430;
RTECS nummer	TS7750000
UNII	BQN1B9B9HA ;
	InChI InChI=1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2+1/p-2 Key: BWHMMNNQKKPAPP-UHFFFAOYSA-L ; InChI=1/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2+1/p-2 Key: BWHMMNNQKKPAPP-NUQVWONBAS;
	SMILES C(=O)([O-])[O-].[K+].[K+];
Properties
Chemical formula	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
Solubility in watter	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	0 1 0
Flash pynt	Non-flammable
	Lethal dose or concentration (LD, LC):
LD50 (Median dose)	1870 mg/kg (oral, rat)
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

Potassium carbonate (K₂ CO₃) is a white saut, soluble in watter (insoluble in ethanol^[2]), which forms a strangly alkaline solution.

References