Input interpretation
![potassium iodide](../image_source/1d66cc01c756707c48d2553c73ffad1f.png)
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%](../image_source/ae2b1fa0d131408a311fc02b8787ba52.png)
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](../image_source/7057e54ff3a502957bc1f6977bc6631c.png)
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](../image_source/af90d0a3193836d1cc6a9436e1f5281f.png)
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](../image_source/8177ccf40ed5027c2faf62d844276b3a.png)
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)](../image_source/72d3267165bbf8609a324b124ee4990f.png)
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/a3f49270cc4d92440e06ab551fb27136.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](../image_source/0562a9b3273963c569d062da4b19f0c4.png)
NFPA label
![NFPA health rating | 1 NFPA fire rating | 1 NFPA reactivity rating | 0](../image_source/f8a7ec9d5e230ff7dd604e53e748fb74.png)
NFPA health rating | 1 NFPA fire rating | 1 NFPA reactivity rating | 0
Toxicity properties
![RTECS classes | mutagen | reproductive effector | human data](../image_source/520a5d6e9097e2368f91296f9e1911a3.png)
RTECS classes | mutagen | reproductive effector | human data
Ion equivalents
![K^+ (potassium cation) | 1 I^- (iodide anion) | 1](../image_source/04f3d5e55f267c342cafdb804c496374.png)
K^+ (potassium cation) | 1 I^- (iodide anion) | 1