Potassium carbonate

Spcifications :

Properties
Molecular 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 112 g/100 mL (20 °C)
156 g/100 mL (100 °C)
Solubility insoluble in alcohol, acetone