Chemical Properties of Ethyl orthoformate (CAS 122-51-0)

InChI

InChI=1S/C7H16O3/c1-4-8-7(9-5-2)10-6-3/h7H,4-6H2,1-3H3

InChI Key

GKASDNZWUGIAMG-UHFFFAOYSA-N

Formula

C7H16O3

SMILES

CCOC(OCC)OCC

Molecular Weight¹

148.20

CAS

122-51-0

Other Names

• Ethane, 1,1',1''-[methylidynetris(oxy)]tris-
• Orthoformic acid, triethyl ester
• Aethon
• Ethone
• Orthoformic acid ethyl ester
• Triethoxymethane
• Triethyl orthoformate
• Triethoxmethane
• Ethyl formate(ortho)
• Ethylester kyseliny orthomravenci
• Methane, triethoxy-
• Orthomravencan ethylnaty
• 1,1',1''-(Methylidynetris(oxy))tris(ethane)
• Triethylester kyseliny orthomravenci
• UN 2524
• Triethyl ester of orthoformic acid
• NSC 5289

• 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_fG° : Standard Gibbs free energy of formation (kJ/mol).
• 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).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• I_np : Non-polar retention indices.
• I : Polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔcH°liquid	[-4365.50; -4359.90]	kJ/mol
ΔcH°liquid	-4365.50 ± 0.80	kJ/mol	NIST
ΔcH°liquid	-4359.90 ± 2.90	kJ/mol	NIST
ΔfG°	-309.38	kJ/mol	Joback Calculated Property
ΔfH°gas	[-641.80; -630.60]	kJ/mol
ΔfH°gas	-630.60	kJ/mol	NIST
ΔfH°gas	-641.80	kJ/mol	NIST
ΔfH°gas	-635.30 ± 3.80	kJ/mol	NIST
ΔfH°liquid	[-687.00; -675.80]	kJ/mol
ΔfH°liquid	-675.80 ± 0.80	kJ/mol	NIST
ΔfH°liquid	-687.00	kJ/mol	NIST
ΔfH°liquid	-681.30 ± 2.90	kJ/mol	NIST
ΔfusH°	13.93	kJ/mol	Joback Calculated Property
ΔvapH°	38.02	kJ/mol	Joback Calculated Property
log10WS	-1.12		Crippen Calculated Property
logPoct/wat	1.380		Crippen Calculated Property
McVol	127.100	ml/mol	McGowan Calculated Property
Pc	2676.31	kPa	Joback Calculated Property
Inp	[884.70; 884.70]
Inp	884.70		NIST
Inp	884.70		NIST
I	1274.00		NIST
Tboil	[418.00; 419.20]	K
Tboil	419.20	K	NIST
Tboil	418.00 ± 1.00	K	NIST
Tboil	418.90 ± 0.30	K	NIST
Tboil	418.00 ± 2.50	K	NIST
Tboil	419.00 ± 2.00	K	NIST
Tc	595.08	K	Joback Calculated Property
Tfus	197.10 ± 0.40	K	NIST
Vc	0.475	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[266.07; 330.86]	J/mol×K	[426.38; 595.08]
Cp,gas	266.07	J/mol×K	426.38	Joback Calculated Property
Cp,gas	277.52	J/mol×K	454.50	Joback Calculated Property
Cp,gas	288.72	J/mol×K	482.61	Joback Calculated Property
Cp,gas	299.67	J/mol×K	510.73	Joback Calculated Property
Cp,gas	310.35	J/mol×K	538.85	Joback Calculated Property
Cp,gas	320.76	J/mol×K	566.96	Joback Calculated Property
Cp,gas	330.86	J/mol×K	595.08	Joback Calculated Property
η	[0.0001655; 0.0033654]	Pa×s	[220.34; 426.38]
η	0.0033654	Pa×s	220.34	Joback Calculated Property
η	0.0014520	Pa×s	254.68	Joback Calculated Property
η	0.0007650	Pa×s	289.02	Joback Calculated Property
η	0.0004618	Pa×s	323.36	Joback Calculated Property
η	0.0003071	Pa×s	357.70	Joback Calculated Property
η	0.0002194	Pa×s	392.04	Joback Calculated Property
η	0.0001655	Pa×s	426.38	Joback Calculated Property
ΔvapH	[47.20; 49.00]	kJ/mol	[308.00; 348.50]
ΔvapH	49.00	kJ/mol	308.00	NIST
ΔvapH	47.20	kJ/mol	348.50	NIST

Similar Compounds

Find more compounds similar to Ethyl orthoformate.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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