sodium carbonate molecular formula: Na2CO3 CAS: 497-19-8 Appearance:White powder sodium carbonateProperties:Water insoluble, white powder or small particles. Has the water absorbability, absorbs moisture in the air gradually becoming a hydrate. The relative density 2.532. 400 °C start decomposing. Melting point 851 °C, soluble in water, soluble in alcohol.Use:Analytics reagents, such as make ...