Iron(III) sulfate (Fe2(SO4)3)-Powder introduce:
Iron(III) sulfate (or ferric sulfate), is the chemical compound with the formula Fe2(SO4)3. Usually yellow, it is a salt and soluble in water. A variety of hydrates are also known.
Molar mass:399.88 g/mol (anhydrous);489.96 g/mol (pentahydrate);562.00 g/mol (nonahydrate)
Density:3.097 g/cm3 (anhydrous);1.898 g/cm3 (pentahydrate)
Melting point:480 °C (896 °F; 753 K) (anhydrous);175 °C (347 °F) (nonahydrate)
Solubility in water:slightly soluble
Solubility:sparingly soluble in alcohol;negligible in acetone, ethyl acetate;insoluble in sulfuric acid, ammonia
Refractive index (nD):1.814 (anhydrous);1.552 (nonahydrate)
Iron(III) sulfate is also used in pigments, pickling baths for aluminum and steel. It acts as a mordant in dyeing, as a coagulant for industrial wastes. In the medical field, it is used as an astringent and styptic. It is involved in the preparation of aromatic esters from the corresponding acids and alcohols. Further, it is employed in the oxidation of pyrite.
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