Property
Value
Unit
Temperature (K)
Source
Cp,gas
[117.05; 137.38]
J/mol×K
[394.00; 605.61]
Cp,gas
117.05
J/mol×K
394.00
Joback Calculated Property
Cp,gas
121.09
J/mol×K
429.27
Joback Calculated Property
Cp,gas
124.85
J/mol×K
464.54
Joback Calculated Property
Cp,gas
128.35
J/mol×K
499.80
Joback Calculated Property
Cp,gas
131.60
J/mol×K
535.07
Joback Calculated Property
Cp,gas
134.60
J/mol×K
570.34
Joback Calculated Property
Cp,gas
137.38
J/mol×K
605.61
Joback Calculated Property
Cp,liquid
[164.00; 173.00]
J/mol×K
[240.00; 350.00]
Cp,liquid
164.00
J/mol×K
240.00
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
164.00
J/mol×K
250.00
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
164.00
J/mol×K
260.00
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
165.00
J/mol×K
270.00
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
165.00
J/mol×K
273.15
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
165.00
J/mol×K
280.00
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
166.00
J/mol×K
290.00
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
165.30
J/mol×K
298.00
NIST
Cp,liquid
168.00
J/mol×K
298.15
NIST
Cp,liquid
166.00
J/mol×K
298.15
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
165.40
J/mol×K
298.15
NIST
Cp,liquid
165.40
J/mol×K
298.15
NIST
Cp,liquid
167.00
J/mol×K
300.00
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
168.00
J/mol×K
310.00
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
169.00
J/mol×K
320.00
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
170.00
J/mol×K
330.00
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
172.00
J/mol×K
340.00
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid
173.00
J/mol×K
350.00
Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
η
[0.0004249; 0.0088772]
Pa×s
[201.98; 394.00]
η
0.0088772
Pa×s
201.98
Joback Calculated Property
η
0.0037828
Pa×s
233.98
Joback Calculated Property
η
0.0019792
Pa×s
265.99
Joback Calculated Property
η
0.0011902
Pa×s
297.99
Joback Calculated Property
η
0.0007899
Pa×s
329.99
Joback Calculated Property
η
0.0005636
Pa×s
362.00
Joback Calculated Property
η
0.0004249
Pa×s
394.00
Joback Calculated Property
Δfus H
[0.36; 9.52]
kJ/mol
[204.80; 230.80]
Δfus H
0.36
kJ/mol
204.80
NIST
Δfus H
0.54
kJ/mol
207.30
NIST
Δfus H
9.52
kJ/mol
230.30
NIST
Δfus H
9.17
kJ/mol
230.80
NIST
Δfus H
9.17
kJ/mol
230.80
NIST
Δvap H
[37.64; 47.70]
kJ/mol
[350.50; 419.40]
Δvap H
47.70
kJ/mol
350.50
NIST
Δvap H
45.70
kJ/mol
361.50
NIST
Δvap H
42.50
kJ/mol
380.50
NIST
Δvap H
40.80
kJ/mol
395.00
NIST
Δvap H
41.90
kJ/mol
396.00
NIST
Δvap H
40.10
kJ/mol
397.50
NIST
Δvap H
40.40
kJ/mol
398.00
NIST
Δvap H
39.00
kJ/mol
415.00
NIST
Δvap H
41.49
kJ/mol
419.20
KDB
Δvap H
37.64
kJ/mol
419.40
NIST
Pvap
[0.26; 95.50]
kPa
[283.15; 417.25]
Pvap
0.26
kPa
283.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachloroethane or tetrachloroethene with tetrachloromethane at nine temperatures
Pvap
0.26
kPa
283.15
Isothermal (vapour + liquid) equilibrium for binary mixtures of (tetrahydrofuran + 1,1,2,2-tetrachloroethane or tetrachloroethene) at nine temperatures
Pvap
0.26
kPa
283.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachlorethane or tetrachloroethene with benzene at nine temperatures
Pvap
0.37
kPa
288.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachlorethane or tetrachloroethene with benzene at nine temperatures
Pvap
0.37
kPa
288.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachloroethane or tetrachloroethene with tetrachloromethane at nine temperatures
Pvap
0.37
kPa
288.15
Isothermal (vapour + liquid) equilibrium for binary mixtures of (tetrahydrofuran + 1,1,2,2-tetrachloroethane or tetrachloroethene) at nine temperatures
Pvap
0.52
kPa
293.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachlorethane or tetrachloroethene with benzene at nine temperatures
Pvap
0.52
kPa
293.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachloroethane or tetrachloroethene with tetrachloromethane at nine temperatures
Pvap
0.52
kPa
293.15
Isothermal (vapour + liquid) equilibrium for binary mixtures of (tetrahydrofuran + 1,1,2,2-tetrachloroethane or tetrachloroethene) at nine temperatures
Pvap
0.71
kPa
298.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachlorethane or tetrachloroethene with benzene at nine temperatures
Pvap
0.71
kPa
298.15
Isothermal (vapour + liquid) equilibrium for binary mixtures of (tetrahydrofuran + 1,1,2,2-tetrachloroethane or tetrachloroethene) at nine temperatures
Pvap
0.71
kPa
298.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachloroethane or tetrachloroethene with tetrachloromethane at nine temperatures
Pvap
0.98
kPa
303.15
Isothermal (vapour + liquid) equilibrium for binary mixtures of (tetrahydrofuran + 1,1,2,2-tetrachloroethane or tetrachloroethene) at nine temperatures
Pvap
0.98
kPa
303.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachloroethane or tetrachloroethene with tetrachloromethane at nine temperatures
Pvap
0.98
kPa
303.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachlorethane or tetrachloroethene with benzene at nine temperatures
Pvap
1.29
kPa
308.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachloroethane or tetrachloroethene with tetrachloromethane at nine temperatures
Pvap
1.29
kPa
308.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachlorethane or tetrachloroethene with benzene at nine temperatures
Pvap
1.29
kPa
308.15
Isothermal (vapour + liquid) equilibrium for binary mixtures of (tetrahydrofuran + 1,1,2,2-tetrachloroethane or tetrachloroethene) at nine temperatures
Pvap
1.70
kPa
313.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachloroethane or tetrachloroethene with tetrachloromethane at nine temperatures
Pvap
1.70
kPa
313.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachlorethane or tetrachloroethene with benzene at nine temperatures
Pvap
1.70
kPa
313.15
Isothermal (vapour + liquid) equilibrium for binary mixtures of (tetrahydrofuran + 1,1,2,2-tetrachloroethane or tetrachloroethene) at nine temperatures
Pvap
2.24
kPa
318.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachloroethane or tetrachloroethene with tetrachloromethane at nine temperatures
Pvap
2.24
kPa
318.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachlorethane or tetrachloroethene with benzene at nine temperatures
Pvap
2.24
kPa
318.15
Isothermal (vapour + liquid) equilibrium for binary mixtures of (tetrahydrofuran + 1,1,2,2-tetrachloroethane or tetrachloroethene) at nine temperatures
Pvap
2.86
kPa
323.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachloroethane or tetrachloroethene with tetrachloromethane at nine temperatures
Pvap
2.86
kPa
323.15
Total vapour pressure and excess Gibbs energy for binary mixtures of 1,1,2,2-tetrachlorethane or tetrachloroethene with benzene at nine temperatures
Pvap
2.86
kPa
323.15
Isothermal (vapour + liquid) equilibrium for binary mixtures of (tetrahydrofuran + 1,1,2,2-tetrachloroethane or tetrachloroethene) at nine temperatures
Pvap
95.50
kPa
417.25
Vapor-liquid equilibrium and excess Gibbs energies of some binary mixtures of acrylonitrile at 95.5 kPa
n 0
[1.48650; 1.49400]
[293.15; 308.15]
n 0
1.49400
293.15
Activity coefficients and excess Gibbs free energy of some binary mixtures formed by p-cresol at 95.23 kPa
n 0
1.49400
293.15
Excess Gibbs energies of selected binary mixtures formed by N,N-dimethyl formamide at 95.5 kPa
n 0
1.49387
293.15
Densities, excess molar volumes, and refractive indices of 1,1,2,2-tetrachloroethane and 1-alkanols binary mixtures
n 0
1.49400
293.15
Vapor-Liquid Equilibria of Binary Mixtures Formed by Hexan-1-ol with Chloroethanes and Chloroethenes at 95.6 kPa
n 0
1.49400
293.15
Bubble points of the binary mixtures formed by ethylbenzene with some chloroaliphatics and substituted benzenes at p = 94.7 kPa
n 0
1.49400
293.15
Bubble points of some binary mixtures formed by o-cresol at 95.75 kPa
n 0
1.49400
298.15
Bubble Temperature Measurements on the Binary Mixtures of n-Heptane or Nitrobenzene or Chlorobenzene with Some Chloroethanes and Chloroethylenes at (94.6 to 95.8) kPa
n 0
1.49140
298.15
Bubble Temperature Measurements on Binary Mixtures Formed by Cyclohexane at 94.7 kPa
n 0
1.49200
298.15
Isothermal (vapour + liquid) equilibria for the binary (cyclopentanone or cyclohexanone with 1,1,2,2-tetrachloroethane) systems at temperatures of (343.15, 353.15, and 363.15) K
n 0
1.49140
298.15
Bubble-Temperature Measurements on Some Binary Mixtures Formed by Tetrahydrofuran or Amyl Alcohol with Hydrocarbons, Chlorohydrocarbons, or Butanols at (94.6 or 95.8) kPa
n 0
1.49220
298.15
Density, Viscosity, Refractive Index, and Speed of Sound for Binary Mixtures of Anisole with 2-Chloroethanol, 1,4-Dioxane, Tetrachloroethylene, Tetrachloroethane, DMF, DMSO, and Diethyl Oxalate at (298.15, 303.15, and 308.15) K
n 0
1.48810
303.15
Densities, speeds of sound, isentropic compressibilities, refractive indexes, and viscosities of tetrahydrofuran with haloalkane or alkyl ethanoate at T = 303.15 K
n 0
1.48940
303.15
Density, Viscosity, Refractive Index, and Speed of Sound for Binary Mixtures of Anisole with 2-Chloroethanol, 1,4-Dioxane, Tetrachloroethylene, Tetrachloroethane, DMF, DMSO, and Diethyl Oxalate at (298.15, 303.15, and 308.15) K
n 0
1.48887
303.15
Densities, excess molar volumes, and refractive indices of 1,1,2,2-tetrachloroethane and 1-alkanols binary mixtures
n 0
1.48650
308.15
Density, Viscosity, Refractive Index, and Speed of Sound for Binary Mixtures of Anisole with 2-Chloroethanol, 1,4-Dioxane, Tetrachloroethylene, Tetrachloroethane, DMF, DMSO, and Diethyl Oxalate at (298.15, 303.15, and 308.15) K
ρl
[1556.07; 1604.78]
kg/m3
[288.15; 318.15]
ρl
1602.77
kg/m3
288.15
Densities and Excess Molar Volumes of the Ternary System (1,4-Dioxane + 2-Propanol + 1,1,2,2-Tetrachloroethane) at T = 288.15-318.15 K and at Atmospheric Pressure: Experimental Measurements and Prigogine-Flory-Patterson Modeling
ρl
1604.78
kg/m3
288.15
Densities and Excess Molar Volumes of the Binary Mixtures of Cyclopentanone with Chloroalkanes at T = (288.15, 298.15, 308.15, and 318.15) K
ρl
1601.45
kg/m3
288.15
Volumetric properties of binary liquid mixtures of ketones with chloroalkanes at different temperatures and atmospheric pressure
ρl
1604.75
kg/m3
288.15
Densities and Excess Molar Volumes of the Binary Mixtures of Cyclohexanone with Chloroalkanes at Temperatures between (288.15 and 318.15) K
ρl
1600.00
kg/m3
293.00
KDB
ρl
1593.65
kg/m3
293.15
Volumetric properties of binary liquid mixtures of ketones with chloroalkanes at different temperatures and atmospheric pressure
ρl
1594.57
kg/m3
293.20
Isobaric vapour liquid equilibria for binary mixtures of 1,2-dibromoethane with 1,2-dichloroethane, trichloromethane, and 1,1,2,2-tetrachloroethane at atmospheric pressure
ρl
1586.80
kg/m3
298.15
Excess Molar Volumes and Sound Speed in (Phenylacetonitrile + 1,2-Dichloroethane), (Phenylacetonitrile + 1,1,2-Trichloroethane), (Phenylacetonitrile + 1,1,2,2-Tetrachloroethane), (Phenylacetonitrile + Trichloroethene), and (Phenylacetonitrile + Tetrachloroethene) at Temperatures of (303.15, 308.15, and 313.15) K
ρl
1589.18
kg/m3
298.15
Densities and Excess Molar Volumes of the Binary Mixtures of Cyclohexanone with Chloroalkanes at Temperatures between (288.15 and 318.15) K
ρl
1586.22
kg/m3
298.15
Thermodynamic study of 1,1,2,2-tetrachloroethane + hydrocarbon mixtures I. Excess and solvation enthalpies
ρl
1587.20
kg/m3
298.15
Densities and Excess Molar Volumes of the Ternary System (1,4-Dioxane + 2-Propanol + 1,1,2,2-Tetrachloroethane) at T = 288.15-318.15 K and at Atmospheric Pressure: Experimental Measurements and Prigogine-Flory-Patterson Modeling
ρl
1589.19
kg/m3
298.15
Densities and Excess Molar Volumes of the Binary Mixtures of Cyclopentanone with Chloroalkanes at T = (288.15, 298.15, 308.15, and 318.15) K
ρl
1587.60
kg/m3
298.15
Volumetric and optical properties for some (2-butanone + chloroalkane) binary mixtures at T = 298.15 K
ρl
1586.65
kg/m3
298.15
Studies of Viscosities and Excess Molar Volumes of the Binary Mixtures of 1-Heptanol + 1,2-Dichloroethane, + 1,1,1-Trichloroethane, + 1,1,2,2-Tetrachloroethane, + Trichloroethylene and Tetrachloroethylene at (293.15, 298.15, and 303.15) K for the Liquid Region and at Ambient Pressure
ρl
1588.23
kg/m3
298.15
Volumetric Study for the Binary Nitromethane with Chloroalkane Mixtures at Temperatures in the Range (298.15 to 318.15) K
ρl
1585.87
kg/m3
298.15
Volumetric properties of binary liquid mixtures of ketones with chloroalkanes at different temperatures and atmospheric pressure
ρl
1578.07
kg/m3
303.15
Volumetric properties of binary liquid mixtures of ketones with chloroalkanes at different temperatures and atmospheric pressure
ρl
1579.60
kg/m3
303.15
Excess Molar Volumes and Sound Speed in (Phenylacetonitrile + 1,2-Dichloroethane), (Phenylacetonitrile + 1,1,2-Trichloroethane), (Phenylacetonitrile + 1,1,2,2-Tetrachloroethane), (Phenylacetonitrile + Trichloroethene), and (Phenylacetonitrile + Tetrachloroethene) at Temperatures of (303.15, 308.15, and 313.15) K
ρl
1573.57
kg/m3
308.15
Densities and Excess Molar Volumes of the Binary Mixtures of Cyclohexanone with Chloroalkanes at Temperatures between (288.15 and 318.15) K
ρl
1572.66
kg/m3
308.15
Volumetric Study for the Binary Nitromethane with Chloroalkane Mixtures at Temperatures in the Range (298.15 to 318.15) K
ρl
1570.27
kg/m3
308.15
Volumetric properties of binary liquid mixtures of ketones with chloroalkanes at different temperatures and atmospheric pressure
ρl
1570.60
kg/m3
308.15
Excess Molar Volumes and Sound Speed in (Phenylacetonitrile + 1,2-Dichloroethane), (Phenylacetonitrile + 1,1,2-Trichloroethane), (Phenylacetonitrile + 1,1,2,2-Tetrachloroethane), (Phenylacetonitrile + Trichloroethene), and (Phenylacetonitrile + Tetrachloroethene) at Temperatures of (303.15, 308.15, and 313.15) K
ρl
1571.63
kg/m3
308.15
Densities and Excess Molar Volumes of the Ternary System (1,4-Dioxane + 2-Propanol + 1,1,2,2-Tetrachloroethane) at T = 288.15-318.15 K and at Atmospheric Pressure: Experimental Measurements and Prigogine-Flory-Patterson Modeling
ρl
1573.59
kg/m3
308.15
Densities and Excess Molar Volumes of the Binary Mixtures of Cyclopentanone with Chloroalkanes at T = (288.15, 298.15, 308.15, and 318.15) K
ρl
1563.70
kg/m3
313.15
Excess Molar Volumes and Sound Speed in (Phenylacetonitrile + 1,2-Dichloroethane), (Phenylacetonitrile + 1,1,2-Trichloroethane), (Phenylacetonitrile + 1,1,2,2-Tetrachloroethane), (Phenylacetonitrile + Trichloroethene), and (Phenylacetonitrile + Tetrachloroethene) at Temperatures of (303.15, 308.15, and 313.15) K
ρl
1562.45
kg/m3
313.15
Volumetric properties of binary liquid mixtures of ketones with chloroalkanes at different temperatures and atmospheric pressure
ρl
1557.04
kg/m3
318.15
Volumetric Study for the Binary Nitromethane with Chloroalkane Mixtures at Temperatures in the Range (298.15 to 318.15) K
ρl
1557.94
kg/m3
318.15
Densities and Excess Molar Volumes of the Binary Mixtures of Cyclohexanone with Chloroalkanes at Temperatures between (288.15 and 318.15) K
ρl
1556.07
kg/m3
318.15
Densities and Excess Molar Volumes of the Ternary System (1,4-Dioxane + 2-Propanol + 1,1,2,2-Tetrachloroethane) at T = 288.15-318.15 K and at Atmospheric Pressure: Experimental Measurements and Prigogine-Flory-Patterson Modeling
ρl
1557.95
kg/m3
318.15
Densities and Excess Molar Volumes of the Binary Mixtures of Cyclopentanone with Chloroalkanes at T = (288.15, 298.15, 308.15, and 318.15) K
Δfus S
[1.74; 41.50]
J/mol×K
[204.80; 230.80]
Δfus S
1.74
J/mol×K
204.80
NIST
Δfus S
2.62
J/mol×K
207.30
NIST
Δfus S
41.50
J/mol×K
230.30
NIST
Δfus S
39.74
J/mol×K
230.80
NIST
csound,fluid
[1087.00; 1150.61]
m/s
[298.15; 318.15]
csound,fluid
1150.61
m/s
298.15
Speeds of sound, isentropic compressibilities and refractive indices for some binary mixtures of nitromethane with chloroalkane at temperatures from 298.15 to 318.15 K. Comparison with theories
csound,fluid
1118.66
m/s
308.15
Speeds of sound, isentropic compressibilities and refractive indices for some binary mixtures of nitromethane with chloroalkane at temperatures from 298.15 to 318.15 K. Comparison with theories
csound,fluid
1087.00
m/s
318.15
Speeds of sound, isentropic compressibilities and refractive indices for some binary mixtures of nitromethane with chloroalkane at temperatures from 298.15 to 318.15 K. Comparison with theories
γ
0.03
N/m
293.20
KDB