Used in tanning leather due to its ability to cross-link collagen fibers, improving the durability and heat resistance of the leather. Also employed as a mordant in dyeing textiles, helping fix dyes onto fabrics for longer-lasting color. In addition, it serves as a catalyst in certain organic reactions and is used in the preparation of other chromium compounds for industrial applications. It is also utilized as an analytical reagent in chemical laboratories for quality control and qualitative analysis.