Chemical Properties of palladium (CAS 7440-05-3)

InChI

InChI=1S/Pd

InChI Key

KDLHZDBZIXYQEI-UHFFFAOYSA-N

Formula

Pd

SMILES

[Pd]

Molecular Weight¹

106.42

CAS

7440-05-3

Other Names

• palladium element

• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• EA : Electron affinity (eV).
• IE : Ionization energy (eV).
• P_sub : Sublimation pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_l : Liquid Density (kg/m³).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
PAff	696.00	kJ/mol	NIST
BasG	673.40	kJ/mol	NIST
EA	[0.56; 0.56]	eV
EA	0.56 ± 0.00	eV	NIST
EA	0.56 ± 0.01	eV	NIST
EA	0.56 ± 0.01	eV	NIST
IE	[8.00; 8.35]	eV
IE	8.34 ± 0.00	eV	NIST
IE	8.34 ± 0.00	eV	NIST
IE	8.34	eV	NIST
IE	8.34 ± 0.00	eV	NIST
IE	8.35 ± 0.05	eV	NIST
IE	Outlier 8.00 ± 0.40	eV	NIST
IE	8.34	eV	NIST

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Psub	[1.00e-05; 0.02]	kPa	[1473.00; 1973.00]
Psub	1.00e-05	kPa	1473.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.00e-05	kPa	1498.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	3.00e-05	kPa	1523.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	6.00e-05	kPa	1548.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	9.00e-05	kPa	1573.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	9.00e-05	kPa	1576.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	1.41e-04	kPa	1598.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	1.10e-04	kPa	1600.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.00e-04	kPa	1623.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.00e-04	kPa	1623.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	1.93e-04	kPa	1623.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.00e-04	kPa	1626.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.80e-04	kPa	1648.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.60e-04	kPa	1650.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	5.00e-04	kPa	1660.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	4.00e-04	kPa	1673.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	4.00e-04	kPa	1673.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	4.00e-04	kPa	1673.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	4.40e-04	kPa	1676.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	6.70e-04	kPa	1685.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	5.00e-04	kPa	1698.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	7.60e-04	kPa	1698.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	5.80e-04	kPa	1698.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	6.10e-04	kPa	1700.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	9.00e-04	kPa	1706.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	7.00e-04	kPa	1723.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	1.20e-03	kPa	1723.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	1.08e-03	kPa	1723.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	8.30e-04	kPa	1723.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	9.40e-04	kPa	1726.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	1.20e-03	kPa	1740.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	1.60e-03	kPa	1748.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	1.60e-03	kPa	1748.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	1.20e-03	kPa	1748.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	1.31e-03	kPa	1750.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.00e-03	kPa	1773.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.20e-03	kPa	1773.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.00e-03	kPa	1776.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.40e-03	kPa	1798.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.90e-03	kPa	1798.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.70e-03	kPa	1800.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.40e-03	kPa	1802.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	2.00e-03	kPa	1806.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	4.00e-03	kPa	1823.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	3.70e-03	kPa	1825.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	4.70e-03	kPa	1840.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	4.70e-03	kPa	1840.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	4.80e-03	kPa	1848.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	5.30e-03	kPa	1850.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	6.10e-03	kPa	1860.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	8.00e-03	kPa	1873.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	7.60e-03	kPa	1873.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	6.60e-03	kPa	1883.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	8.20e-03	kPa	1885.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.01	kPa	1898.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	9.40e-03	kPa	1898.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	9.80e-03	kPa	1900.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.01	kPa	1910.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.01	kPa	1912.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.01	kPa	1923.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.01	kPa	1923.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.01	kPa	1925.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.01	kPa	1940.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1942.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1948.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1948.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1948.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1950.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1950.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1954.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1963.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1963.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1965.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1965.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1970.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1972.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1973.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1973.00	Vapor Pressure of Palladium from 1473 K to 1973 K
Psub	0.02	kPa	1973.00	Vapor Pressure of Palladium from 1473 K to 1973 K
ρl	[10465.00; 10686.00]	kg/m3	[1790.00; 1951.00]
ρl	10670.00	kg/m3	1790.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10672.00	kg/m3	1795.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10652.00	kg/m3	1796.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10686.00	kg/m3	1802.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10670.00	kg/m3	1809.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10677.00	kg/m3	1820.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10627.00	kg/m3	1831.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10654.00	kg/m3	1843.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10601.00	kg/m3	1856.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10558.00	kg/m3	1878.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10592.00	kg/m3	1889.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10575.00	kg/m3	1890.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10529.00	kg/m3	1917.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10478.00	kg/m3	1935.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
ρl	10465.00	kg/m3	1951.00	Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[9.86e-05; 481.15]	kPa	[1573.15; 3673.15]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.77128e+01
Coefficient B			-4.23754e+04
Coefficient C			-2.00000e-02
Temperature range, min.			1573.15
Temperature range, max.			3673.15
Pvap	9.86e-05	kPa	1573.15	Calculated Property
Pvap	3.20e-03	kPa	1806.48	Calculated Property
Pvap	0.05	kPa	2039.82	Calculated Property
Pvap	0.39	kPa	2273.15	Calculated Property
Pvap	2.24	kPa	2506.48	Calculated Property
Pvap	9.45	kPa	2739.82	Calculated Property
Pvap	31.82	kPa	2973.15	Calculated Property
Pvap	89.76	kPa	3206.48	Calculated Property
Pvap	220.00	kPa	3439.82	Calculated Property
Pvap	481.15	kPa	3673.15	Calculated Property

Mixtures

• iron + palladium
• palladium + copper
• palladium + nickel
• cobalt + gold + palladium
• iron + gold + palladium

Sources

• Correlation between excess volume and thermodynamic functions of liquid Pd-X (X = Fe, Cu and Ni) binary systems
• Thermodynamic excess quantities of ternary Au Co Pd melts by computer-aided Knudsen cell mass spectrometry
• Thermodynamic mixing effects of liquid ternary Au-Fe-Pd alloys by computer-aided Knudsen cell mass spectrometry
• Vapor Pressure of Palladium from 1473 K to 1973 K
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.