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

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

• 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).
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
• 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

Similar Compounds

Find more compounds similar to Tetraethyllead.

Sources

• 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

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