Chromium (III) Sulfate

Chromium (III) Sulfate is an inorganic compound in which the ratio of chromium to sulfate is 2:3. It has a molecular formula Cr2(SO4)3. It is a water-soluble blue-grey solid. Upon heating, it turns from blue to green. Here, in this article, we shall be discussing more about the Chromium (III) Sulfate formula along with its chemical structure, properties and uses.

Properties

Chemical Formula : Cr2(SO4)3

Appearance : Blue-gray solid

Melting Point : 90 °C

Boiling Point : >700 °C

Density : 3.1 g/cm³ (anhydrous);1.86 g/cm3 ((pentadecahydrate);1.709 g/cm3 (octadecahydrate)

Molar Mass : 392.16 g/mol (anhydrous);608.363 g/mol (dodecahydrate);716.45 g/mol (octadecahydrate)

Solubility in Water : Soluble

Uses

Used as an electrolyte for obtaining chromium metal

Used for chrome plating on other metals for decorative and protective purposes

Used as a mordant in tanning leather

Used in imparting green colour to varnishes, paints, ceramic glazes and ink