Synonyms: Sodium sulfate anhydrous, sodium sulfate, sodium sulfate anhydrous
Chemical formula: Na2SO4
International name: SODIUM SULPHATE (anhydrous)
CAS No: 7757 - 82 - 6
Appearance: colorless crystalline powder, a mass of white color
Packing: bags of 25 kg
Storage: Store in a dry, well-ventilated area
Sodium sulfate (anhydrous sodium sulfate) - a colorless crystalline powder was crystallized from aqueous solutions above 32,384 ° C. Poorly soluble in aqueous-alcoholic media; the solubility at 20 ° C in ethanol, 0.439% by weight methanol, 2.40%. With potassium sulfate K2SO4, Li2SO4, lithium sulfate and close al. To form a continuous series of solid solutions with sulphates and Y-Sc double salts, strontium sulfate SrSO4
Sodium sulfate (sodium sulfate) occurs naturally in the form of mineral thenardite Na2SO4, mirabilite (Glauber's salt) Na2SO4.10H2O, part of the astrahonita Na2Mg (SO4) 2.4H2O, vanthoffite Na6Mg (SO4) 4 glauberita Na2Ca (SO4) 2, etc. . Mirabilite isolated from natural deposits, the brine from salt lakes and dried at 100C °. Chemical plants sodium sulfate obtained as a byproduct in the production of hydrochloric acid, compounds of Cr, waste sulfate liquor in the production of artificial fibers in steel mills, etc.
Sodium sulfate (sodium sulfate) is used
• pulp and paper,
• glass industry;
• for the production of synthetic detergents and others.