Tags: Chemical Compound, Chemical Substance.
Chromium(III) sulfate usually refers to the inorganic compound with the formula Cr2(SO4)3 • 12(H2O). This consists of the hydrated sulfate salt of the metal aquo complex with the formula [Cr(H2O)6]3+ which is responsible for the purple color of this salt. It is widely used in the tanning of leather with associated environmental damage.[citation needed]