22330-18-3

Yellow, deliquescent crystals; melts at 150°C; very soluble in water and alcohol; soluble in potassium iodide solution, acetic acid and ether.

As reagent for alkaloids.

ChEBI: Potassium triiodomercurate is a periodometallate salt. It contains a triiodomercurate(1-).

The commercial product is made and sold as an aqueous solution by dis-solving 1g mercuric iodide and 0.8g potassium iodide in 100mL water:HgI₂+ KI →KHgI₃(or KI?HgI₂).