Chemical Properties of Tetraethoxymethane (CAS 78-09-1)

InChI

InChI=1S/C9H20O4/c1-5-10-9(11-6-2,12-7-3)13-8-4/h5-8H2,1-4H3

InChI Key

CWLNAJYDRSIKJS-UHFFFAOYSA-N

Formula

C9H20O4

SMILES

CCOC(OCC)(OCC)OCC

Molecular Weight¹

192.25

CAS

78-09-1

Other Names

• Ethane, 1,1',1'',1'''-[methanetetrayltetrakis(oxy)]tetrakis-
• Orthocarbonic acid, tetraethyl ester
• Tetraethyl orthocarbonate

• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• 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 standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• T_boil : Normal Boiling Point Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔcH°liquid	[-5486.30; -5481.00]	kJ/mol
ΔcH°liquid	-5486.30 ± 1.70	kJ/mol	NIST
ΔcH°liquid	-5481.00 ± 2.00	kJ/mol	NIST
ΔfH°gas	[-866.10; -861.70]	kJ/mol
ΔfH°gas	-861.70 ± 2.10	kJ/mol	NIST
ΔfH°gas	-866.10	kJ/mol	NIST
ΔfH°liquid	[-919.00; -914.60]	kJ/mol
ΔfH°liquid	-914.60 ± 2.10	kJ/mol	NIST
ΔfH°liquid	-919.00 ± 1.00	kJ/mol	NIST
ΔfusH°	16.40	kJ/mol	Joback Calculated Property
ΔvapH°	[41.00; 52.90]	kJ/mol
ΔvapH°	52.85 ± 0.15	kJ/mol	NIST
ΔvapH°	52.90	kJ/mol	NIST
ΔvapH°	52.90 ± 0.20	kJ/mol	NIST
ΔvapH°	41.00 ± 3.00	kJ/mol	NIST
IE	9.42	eV	Relay (1.0) Calculated Property
logPoct/wat	1.744		Crippen Calculated Property
McVol	161.150	ml/mol	McGowan Calculated Property
Tboil	432.70	K	NIST
Tfus	197.65	K	Relay (1.0) Calculated Property

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.

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[256.56; 559.11]	J/mol×K	[273.00; 1000.00]	Joback Predicted correlation
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K
Coefficient A			7.22340e+01
Coefficient B			7.31880e-01
Coefficient C			-1.93600e-04
Coefficient D			-5.14000e-08
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	256.56	J/mol×K	273.00	Calculated Property
Cp,gas	304.65	J/mol×K	353.78	Calculated Property
Cp,gas	349.50	J/mol×K	434.56	Calculated Property
Cp,gas	390.95	J/mol×K	515.33	Calculated Property
Cp,gas	428.83	J/mol×K	596.11	Calculated Property
Cp,gas	462.99	J/mol×K	676.89	Calculated Property
Cp,gas	493.26	J/mol×K	757.67	Calculated Property
Cp,gas	519.48	J/mol×K	838.44	Calculated Property
Cp,gas	541.49	J/mol×K	919.22	Calculated Property
Cp,gas	559.11	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0020828; 0.0001513]	Pa×s	[282.53; 465.19]	Joback Predicted correlation
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-1.28522e+01
Coefficient B			1.88678e+03
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Temperature range, min.			282.53
Temperature range, max.			465.19
η	0.0020828	Pa×s	282.53	Calculated Property
η	0.0013313	Pa×s	302.83	Calculated Property
η	0.0009002	Pa×s	323.12	Calculated Property
η	0.0006375	Pa×s	343.42	Calculated Property
η	0.0004691	Pa×s	363.71	Calculated Property
η	0.0003566	Pa×s	384.01	Calculated Property
η	0.0002787	Pa×s	404.30	Calculated Property
η	0.0002230	Pa×s	424.60	Calculated Property
η	0.0001821	Pa×s	444.89	Calculated Property
η	0.0001513	Pa×s	465.19	Calculated Property

Similar Compounds

Find more compounds similar to Tetraethoxymethane.

Sources

• Cheméo Relay (1.0)
• 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.
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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