Input interpretation
potassium iodide
Chemical names and formulas
formula | KI Hill formula | IK name | potassium iodide alternate names | asmofug E | dipotassium diiodide | iodic acid potassium salt | knollide mass fractions | I (iodine) 76.4% | K (potassium) 23.6%
Structure diagram
Structure diagram
Basic properties
molar mass | 166.0028 g/mol phase | solid (at STP) melting point | 681 °C boiling point | 1330 °C density | 3.123 g/cm^3
Units
Solid properties (at STP)
density | 3.123 g/cm^3 vapor pressure | 0.9998 mmHg
Units
Thermodynamic properties
specific heat capacity c_p | solid | 0.3187 J/(g K) molar heat capacity c_p | solid | 52.9 J/(mol K) specific free energy of formation Δ_fG° | solid | -1.957 kJ/g molar free energy of formation Δ_fG° | solid | -324.9 kJ/mol specific heat of formation Δ_fH° | solid | -1.975 kJ/g molar heat of formation Δ_fH° | solid | -327.9 kJ/mol molar heat of fusion | 24 kJ/mol | specific heat of fusion | 0.14 kJ/g | (at STP)
Chemical identifiers
![CAS number | 7681-11-0 PubChem CID number | 4875 PubChem SID number | 24852091 SMILES identifier | [K+].[I-] InChI identifier | InChI=1/HI.K/h1H;/q;+1/p-1/fI.K/h1h;/q-1;m RTECS number | TT2975000 MDL number | MFCD00011405](../image_source/777e3c1a981132d70cbf4572c65feba3.png)
CAS number | 7681-11-0 PubChem CID number | 4875 PubChem SID number | 24852091 SMILES identifier | [K+].[I-] InChI identifier | InChI=1/HI.K/h1H;/q;+1/p-1/fI.K/h1h;/q-1;m RTECS number | TT2975000 MDL number | MFCD00011405
NFPA label
NFPA label
NFPA health rating | 1 NFPA fire rating | 1 NFPA reactivity rating | 0