Sodium carbonate monohydrate (Na2CO3•H2O)- Crystalline introduce:
Sodium carbonate, Na2CO3, (also known as washing soda, soda ash and soda crystals) is the inorganic compound with the formula Na2CO3 and its various hydrates. All forms are white, water-soluble salts.
Molar mass:124 g/mol
Appearance:White solid, hygroscopic
Density :2.25 g/cm3
Melting point:100 °C
Solubility:Soluble in aq. alkalis, glycerol;Slightly soluble in aq. alcohol;Insoluble in CS2, acetone, alkyl acetates, alcohol, benzonitrile, liquid ammonia
Solubility in glycerine:98.3 g/100 g (155 °C)
Solubility in ethanediol:3.46 g/100 g (20 °C)
Solubility in dimethylformamide:0.5 g/kg
Magnetic susceptibility (χ):−4.1·10−5 cm3/mol
Refractive index (nD):1.420
Sodium carbonate monohydrate is widely employed as a water softener, an electrolyte, as a good conductor in electrolysis, as a primary standard for acid-base titrations and mostly as a buffer component in applications such as chromatography, capillary electrophoresis and enzyme catalysis. Also used in glass manufacture, detergent manufacture, sodium chemicals, carbonate chemicals manufacture, pulp and paper, brine treatment, flue gas desulfurization, coal treatment and ion exchange resin regeneration.
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