Sodium sulfate (Na rammed SO ram) is a salt formed by the ionization of sulfate radical and sodium. Sodium sulfate is soluble in water and its aqueous solution is neutral. It is soluble in glycerol but not in ethanol. Inorganic compounds, high purity, fine particles of anhydrous substances known as sodium bicarbonate. Mineral powder, white, odorless, bitter crystalline or powder, has hygroscopicity. The shape is colorless, transparent, large crystals or small granular crystals. Sodium sulfate is easy to absorb water when exposed to air, and forms sodium sulfate decahydrate, also known as mirabilite. Mainly used in the manufacture of water glass, glass, enamel, pulp, refrigerant mixtures, detergents, desiccants, dye diluents, analytical chemicals, pharmaceuticals, feed and so on. Sodium sulfate can be transformed into hexagonal crystals at 241 C. Sodium sulfate is one of the most commonly used post-treatment desiccants in organic synthesis laboratories. Upstream raw materials include sulfuric acid, caustic soda, etc.