Potassium disulfate

CAS: 7790-62-7
Molecular Formula: K2S2O7
Molecular Weight: 254.32
Product description:Is colorless transparent hard big crystals or lump crystal. Odorless, bitter, has the convergence. The density of 1.757 g/cm3. The melting temperature of 92.5 ℃. Will be weathering in dry air, moisture and deliquescence drip water even in the air. Heated to 645 ℃ or more will lose crystal water become withered vanadium white powder. Soluble in water, glycerin and dilute acid, insoluble in alcohol and acetone, acidic aqueous solution.Mainly used as coagulant of warm water, purify water quality. Papermaking industry used as sizing agent, and cooperate with rosin emulsion used for paper sizing, improve the water resistance of paper strength. Pharmaceutical industry as an antiseptic, astringent and hemostatic. Made dry alum, can be used as a topical hemostatic convergence; Match with a certain concentration of aqueous solution, can be used to prevent rice dermatitis; Made of aluminum hydroxide, can be made into stomach trouble.