What are the main uses of 2,2'-(1,1-Cyclohexanediyl)diacetic acid (CAS: 4355-11-7)?

2,2'-(1,1-Cyclohexanediyl)diacetic acid (CAS: 4355-11-7) is primarily used in pharmaceuticals as a ligand for metal ion chelation. It also serves in industrial processes, such as crosslinking agents for polymers, and in research for organic synthesis. Additionally, it may be employed in food preservation as a stabilizer and in environmental applications for heavy metal removal. Its versatility makes it valuable across multiple fields.