Input interpretation
mercury potassium iodide
Chemical names and formulas
formula | K_2HgI_4 Hill formula | HgI_4K_2 name | mercury potassium iodide IUPAC name | dipotassium tetraiodomercury alternate names | dipotassium tetraiodomercurate(II) in dilute sodium hydroxide | dipotassium tetraiodomercury | nessler's reagent | potassium mercuric iodide | potassium tetraiodomercurate | potassium tetraiodomercurate(II) mass fractions | Hg (mercury) 25.5% | I (iodine) 64.5% | K (potassium) 9.94%
Structure diagram
Structure diagram
vertex count | 7 edge count | 4 Schultz index | 64 Wiener index | 16 Hosoya index | 5 Balaban index | 3.024
Basic properties
molar mass | 786.406 g/mol phase | liquid (at STP) melting point | -38.9 °C boiling point | 356.6 °C density | 1.097 g/cm^3 solubility in water | very soluble
Units
Liquid properties (at STP)
density | 1.097 g/cm^3 vapor pressure | 0.0012 mmHg
Units
Chemical identifiers
![CAS number | 7783-33-7 PubChem CID number | 24542 PubChem SID number | 24861297 SMILES identifier | [K+].[K+].I[Hg-2](I)(I)I InChI identifier | InChI=1/Hg.4HI.2K/h;4*1H;;/q+2;;;;;2*+1/p-4/fHg.4I.2K/h;4*1h;;/qm;4*-1;2m/rHgI4.2K/c2-1(3, 4)5;;/q-2;2*+1 MDL number | MFCD00049656](../image_source/9dd5bdc44c89263bca112d86b6ad98b9.png)
CAS number | 7783-33-7 PubChem CID number | 24542 PubChem SID number | 24861297 SMILES identifier | [K+].[K+].I[Hg-2](I)(I)I InChI identifier | InChI=1/Hg.4HI.2K/h;4*1H;;/q+2;;;;;2*+1/p-4/fHg.4I.2K/h;4*1h;;/qm;4*-1;2m/rHgI4.2K/c2-1(3, 4)5;;/q-2;2*+1 MDL number | MFCD00049656
Safety properties
flash point | 110 °C
DOT hazard class | 6.1 DOT numbers | 1643
Toxicity properties
RTECS classes | other