Chromium(III) sulfate

Chromium(III) sulfate is a chemical compound. Its chemical formula is Cr₂(SO₄)₃. It is a colored compound. It is made by dissolving chromium or chromium(III) oxide in sulfuric acid. It can also be made by reduction of chromates by sulfur dioxide. It turns green when heated. It is used to make leather. Chrome alum was used in the past. It's an irritant.

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