Chemical Properties of potassium iodide (CAS 7681-11-0)

potassium iodide

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InChI
InChI=1S/HI.K/h1H;/q;+1/p-1
InChI Key
NLKNQRATVPKPDG-UHFFFAOYSA-M
Formula
IK
SMILES
[I-].[K+]
Molecular Weight1
166.00
CAS
7681-11-0
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Physical Properties

Property Value Unit Source
EA [0.50; 0.73] eV Show
EA 0.73 ± 0.01 eV NIST
EA 0.50 ± 0.10 eV NIST
IE [7.20; 8.20] eV Show
IE 7.50 ± 0.40 eV NIST
IE 7.20 ± 0.10 eV NIST
IE 7.20 ± 0.10 eV NIST
IE 8.20 ± 0.30 eV NIST
IE 7.40 eV NIST

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
σcond [158.00; 168.00] S/m [1109.00; 1269.00] Show
T(K)
Electrical conductivity (S/m)
158
160
162
164
166
168
1150
1200
1250
σcond 158.00 S/m 1109.00 Liquid ...
σcond 160.00 S/m 1126.00 Liquid ...
σcond 161.00 S/m 1143.00 Liquid ...
σcond 163.00 S/m 1152.00 Liquid ...
σcond 164.00 S/m 1160.00 Liquid ...
σcond 165.00 S/m 1170.00 Liquid ...
σcond 165.00 S/m 1176.00 Liquid ...
σcond 166.00 S/m 1186.00 Liquid ...
σcond 166.00 S/m 1203.00 Liquid ...
σcond 167.00 S/m 1225.00 Liquid ...
σcond 167.00 S/m 1236.00 Liquid ...
σcond 168.00 S/m 1246.00 Liquid ...
σcond 167.00 S/m 1252.00 Liquid ...
σcond 167.00 S/m 1269.00 Liquid ...

Correlations

Property Value Unit Temperature (K) Source
Pvap [0.13; 101.33] kPa [1018.15; 1618.00] The Yaw... Show
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.31255e+01
Coefficient B-1.16356e+04
Coefficient C-2.50250e+02
Temperature range, min.1018.15
Temperature range, max.1618.00
T(K)
Vapor pressure (kPa)
0
20
40
60
80
100
1200
1400
1600
Pvap 0.13 kPa 1018.15 Calculated Property
Pvap 0.44 kPa 1084.80 Calculated Property
Pvap 1.24 kPa 1151.45 Calculated Property
Pvap 3.01 kPa 1218.10 Calculated Property
Pvap 6.54 kPa 1284.75 Calculated Property
Pvap 12.92 kPa 1351.40 Calculated Property
Pvap 23.61 kPa 1418.05 Calculated Property
Pvap 40.44 kPa 1484.70 Calculated Property
Pvap 65.53 kPa 1551.35 Calculated Property
Pvap 101.33 kPa 1618.00 Calculated Property

Mixtures

Sources

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