HgI2
2 compounds have this formula on CompoundList.
- Molar mass
- 454.39g/mol
- Monoisotopic mass
- 455.7796Da
- Atoms
- 3
- Elements
- 2
The formula HgI2 describes a molecule made of 1 mercury atom and 2 iodine atoms. It is written in Hill notation: with no carbon present, every element is listed in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- Hg Mercury × 144.14%200.59 × 1 = 200.590 g/mol
- I Iodine × 255.86%126.9 × 2 = 253.800 g/mol
Compounds with the formula HgI2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 2 of 2 compounds
Frequently asked questions
What is the molar mass of HgI2?
The molar mass of HgI2 is 454.39 g/mol, calculated from standard atomic weights for 1 mercury atom and 2 iodine atoms. The monoisotopic mass is 455.7796 Da.
How many compounds have the formula HgI2?
CompoundList lists 2 compounds with the molecular formula HgI2, including Mercuric iodide, Mercury(+2) cation diiodide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.