Cr2(SO4)3, known as chromium(III) sulfate, is an inorganic compound composed of chromium, sulfur, and oxygen. It consists of two chromium ions (Cr³⁺) and three sulfate ions (SO4²⁻). This compound is typically found as a greenish or purple solid and is soluble in water, making it useful in various applications. Chromium(III) sulfate is commonly used in the tanning of leather, as a mordant in dyeing processes, and in the production of pigments. It also plays a role in the preparation of other chromium compounds and can be utilized in water treatment processes to remove impurities.