Chemical Properties of Tetraethyllead (CAS 78-00-2)

InChI

InChI=1S/4C2H5.Pb/c4*1-2;/h4*1H2,2H3;

InChI Key

MRMOZBOQVYRSEM-UHFFFAOYSA-N

Formula

C8H20Pb

SMILES

C[CH2][Pb]([CH2]C)([CH2]C)[CH2]C

Molecular Weight¹

323.40

CAS

78-00-2

Other Names

• (C2H5)4Pb
• Czteroetylek olowiu
• Lead tetraethyl
• NCI-C54988
• NSC 22314
• Piombo tetra-etile
• Plumbane, tetraethyl-
• Rcra waste number P110
• TEL
• Tel-tml, reacted
• Tetra(methylethyl)lead
• Tetraethyl lead
• Tetraethylolovo
• Tetraethylplumbane

• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fH°_liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• P_vap : Vapor pressure (kPa).
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
• γ : Surface Tension (N/m).
• T_boil : Normal Boiling Point Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔcH°liquid	-6383.50 ± 2.50	kJ/mol	NIST
ΔfH°gas	109.60 ± 5.10	kJ/mol	NIST
ΔfH°liquid	53.00 ± 5.00	kJ/mol	NIST
ΔvapH°	[56.60; 56.60]	kJ/mol
ΔvapH°	56.60 ± 1.00	kJ/mol	NIST
ΔvapH°	56.60 ± 1.00	kJ/mol	NIST
IE	11.10	eV	NIST
S°liquid	464.60	J/mol×K	NIST
Tboil	455.70 ± 1.50	K	NIST
Tfus	142.94 ± 0.20	K	NIST
Ttriple	[139.41; 141.49]	K
Ttriple	141.49 ± 0.02	K	NIST
Ttriple	139.41 ± 0.02	K	NIST
Ttriple	141.49 ± 0.02	K	NIST
Ttriple	139.41 ± 0.02	K	NIST

Cheméo can also estimate Critical Temperature, Critical Pressure, Critical Volume, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[307.40; 310.00]	J/mol×K	[298.15; 298.15]
Cp,liquid	307.40	J/mol×K	298.15	NIST
Cp,liquid	310.00	J/mol×K	298.15	NIST
ΔfusH	[8.79; 9.11]	kJ/mol	[141.40; 142.94]
ΔfusH	9.11	kJ/mol	141.40	NIST
ΔfusH	9.11	kJ/mol	141.40	NIST
ΔfusH	8.79	kJ/mol	142.94	NIST
ΔvapH	[56.30; 57.30]	kJ/mol	[308.00; 387.00]
ΔvapH	56.30	kJ/mol	308.00	NIST
ΔvapH	57.30	kJ/mol	383.50	NIST
ΔvapH	56.70	kJ/mol	387.00	NIST
ΔfusS	61.50	J/mol×K	142.94	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.13; 101.29]	kPa	[311.60; 456.00]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.61712e+01
Coefficient B			-4.56921e+03
Coefficient C			-6.05060e+01
Reference			Stull, 1947
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			311.60
Temperature range, max.			456.00
Pvap	0.13	kPa	311.60	Calculated Property
Pvap	0.39	kPa	327.64	Calculated Property
Pvap	1.04	kPa	343.69	Calculated Property
Pvap	2.46	kPa	359.73	Calculated Property
Pvap	5.36	kPa	375.78	Calculated Property
Pvap	10.81	kPa	391.82	Calculated Property
Pvap	20.43	kPa	407.87	Calculated Property
Pvap	36.52	kPa	423.91	Calculated Property
Pvap	62.15	kPa	439.96	Calculated Property
Pvap	101.29	kPa	456.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
γ	[0.04; 0.02]	N/m	[137.15; 358.15]	Jasper (1972), surface tension of pure liquid compounds Compiled value
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is γ in N/m, T in K
Coefficient A			5.69682e-02
Coefficient B			-9.69000e-05
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Temperature range, min.			137.15
Temperature range, max.			358.15
γ	0.04	N/m	137.15	Calculated Property
γ	0.04	N/m	161.71	Calculated Property
γ	0.04	N/m	186.26	Calculated Property
γ	0.04	N/m	210.82	Calculated Property
γ	0.03	N/m	235.37	Calculated Property
γ	0.03	N/m	259.93	Calculated Property
γ	0.03	N/m	284.48	Calculated Property
γ	0.03	N/m	309.04	Calculated Property
γ	0.02	N/m	333.59	Calculated Property
γ	0.02	N/m	358.15	Calculated Property

Similar Compounds

Find more compounds similar to Tetraethyllead.

Sources

• Jasper (1972), surface tension of pure liquid compounds ChEDL chemicals 1.5.2, from Jasper, J. J. The Surface Tension of Pure Liquid Compounds. J. Phys. Chem. Ref. Data 1972, 1, 841-1010 (as transcribed in Lange's Handbook).
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• NIST Webbook

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
Compiled This icon marks a compiled value or equation: taken from a data compilation such as ChemSep, not from an original measurement report.
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