Physical properties
Yellow, deliquescent crystals; melts at 150°C; very soluble in water and alcohol; soluble in potassium iodide solution, acetic acid and ether.
Uses
As reagent for alkaloids.
Definition
ChEBI: Potassium triiodomercurate is a periodometallate salt. It contains a triiodomercurate(1-).
Preparation
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:HgI
2+ KI →KHgI
3(or KI?HgI
2).
