Chemical Properties of Ethane, methoxy- (CAS 540-67-0)

InChI

InChI=1S/C3H8O/c1-3-4-2/h3H2,1-2H3

InChI Key

XOBKSJJDNFUZPF-UHFFFAOYSA-N

Formula

C3H8O

SMILES

CCOC

Molecular Weight¹

60.09

CAS

540-67-0

Other Names

• C2H5OCH3
• ETHOXY METHANE
• ETHYL METHYL ETHER
• Ether, ethyl methyl
• METHOXYETHANE
• Methane, ethoxy-
• Methyl ethyl ether
• UN 1039

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• Δ_cH°_gas : Standard gas enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• μ : Dipole Moment (debye).
• 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_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).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• NFPA Fire : NFPA Fire Rating.
• NFPA Health : NFPA Health Rating.
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_c : Critical density (kg/m³).
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• γ : Surface Tension (N/m).
• 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).
• Z_c : Critical Compressibility.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.2440		KDB
PAff	808.60	kJ/mol	NIST
BasG	781.20	kJ/mol	NIST
ΔcH°gas	-2107.40 ± 0.63	kJ/mol	NIST
μ	1.20	debye	KDB
ΔfG°	-117.70	kJ/mol	KDB
ΔfH°gas	[-216.60; -216.40]	kJ/mol
ΔfH°gas	-216.60	kJ/mol	KDB
ΔfH°gas	-216.40 ± 0.67	kJ/mol	NIST
ΔfusH°	4.71	kJ/mol	Joback Calculated Property
ΔvapH°	24.68	kJ/mol	Joback Calculated Property
IE	[9.50; 9.86]	eV
IE	9.72 ± 0.07	eV	NIST
IE	9.72 ± 0.07	eV	NIST
IE	9.86	eV	NIST
IE	9.72	eV	NIST
IE	9.50	eV	NIST
IE	9.60 ± 0.10	eV	NIST
IE	9.72	eV	NIST
IE	9.81	eV	NIST
log10WS	-0.17		Crippen Calculated Property
logPoct/wat	0.653		Crippen Calculated Property
McVol	59.000	ml/mol	McGowan Calculated Property
NFPA Fire	4		KDB
NFPA Health	2		KDB
Pc	[4361.00; 4688.00]	kPa
Pc	4400.00	kPa	KDB
Pc	4361.00 ± 50.66	kPa	NIST
Pc	4400.00 ± 40.53	kPa	NIST
Pc	4688.00 ± 303.98	kPa	NIST
ρc	[272.17; 307.03]	kg/m3
ρc	272.17 ± 1.80	kg/m3	NIST
ρc	307.03 ± 19.83	kg/m3	NIST
Inp	[419.00; 421.00]
Inp	421.00		NIST
Inp	421.00		NIST
Inp	419.00		NIST
Inp	421.00		NIST
Tboil	[279.75; 312.10]	K
Tboil	280.60	K	KDB
Tboil	283.20	K	NIST
Tboil	312.10 ± 0.40	K	NIST
Tboil	279.75 ± 0.60	K	NIST
Tc	[437.80; 441.60]	K
Tc	437.80	K	KDB
Tc	438.03 ± 1.00	K	NIST
Tc	437.80 ± 0.30	K	NIST
Tc	437.90 ± 0.30	K	NIST
Tc	441.60 ± 4.00	K	NIST
Tc	440.90 ± 3.00	K	NIST
Tfus	160.00	K	KDB
Vc	[0.221; 0.222]	m3/kmol
Vc	0.221	m3/kmol	KDB
Vc	0.222 ± 0.003	m3/kmol	NIST
Zc	0.2671360		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[88.06; 119.18]	J/mol×K	[290.46; 452.73]
Cp,gas	88.06	J/mol×K	290.46	Joback Calculated Property
Cp,gas	93.47	J/mol×K	317.50	Joback Calculated Property
Cp,gas	98.79	J/mol×K	344.55	Joback Calculated Property
Cp,gas	104.03	J/mol×K	371.59	Joback Calculated Property
Cp,gas	109.18	J/mol×K	398.64	Joback Calculated Property
Cp,gas	114.23	J/mol×K	425.68	Joback Calculated Property
Cp,gas	119.18	J/mol×K	452.73	Joback Calculated Property
η	[0.0001721; 0.0019793]	Pa×s	[145.80; 290.46]
η	0.0019793	Pa×s	145.80	Joback Calculated Property
η	0.0009870	Pa×s	169.91	Joback Calculated Property
η	0.0005850	Pa×s	194.02	Joback Calculated Property
η	0.0003893	Pa×s	218.13	Joback Calculated Property
η	0.0002809	Pa×s	242.24	Joback Calculated Property
η	0.0002151	Pa×s	266.35	Joback Calculated Property
η	0.0001721	Pa×s	290.46	Joback Calculated Property
ΔvapH	[24.69; 37.10]	kJ/mol	[231.00; 359.50]
ΔvapH	26.30	kJ/mol	231.00	NIST
ΔvapH	37.00	kJ/mol	257.50	NIST
ΔvapH	24.69	kJ/mol	280.80	KDB
ΔvapH	30.10	kJ/mol	357.00	NIST
ΔvapH	37.10	kJ/mol	359.50	NIST
ρl	700.00	kg/m3	293.00	KDB
γ	0.02	N/m	298.20	KDB

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 3537.71]	kPa	[217.94; 437.80]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.23480e+01
Coefficient B			-1.40486e+03
Coefficient C			-1.01451e+02
Temperature range, min.			217.94
Temperature range, max.			437.80
Pvap	1.33	kPa	217.94	Calculated Property
Pvap	10.79	kPa	242.37	Calculated Property
Pvap	47.07	kPa	266.80	Calculated Property
Pvap	140.51	kPa	291.23	Calculated Property
Pvap	326.86	kPa	315.66	Calculated Property
Pvap	639.65	kPa	340.08	Calculated Property
Pvap	1105.02	kPa	364.51	Calculated Property
Pvap	1739.59	kPa	388.94	Calculated Property
Pvap	2550.68	kPa	413.37	Calculated Property
Pvap	3537.71	kPa	437.80	Calculated Property
Pvap	[3.35e-04; 4647.74]	kPa	[160.00; 437.80]	KDB Vap...
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			2.43488e+02
Coefficient B			-1.12818e+04
Coefficient C			-3.58975e+01
Coefficient D			4.71928e-05
Temperature range, min.			160.00
Temperature range, max.			437.80
Pvap	3.35e-04	kPa	160.00	Calculated Property
Pvap	0.09	kPa	190.87	Calculated Property
Pvap	2.80	kPa	221.73	Calculated Property
Pvap	26.01	kPa	252.60	Calculated Property
Pvap	117.24	kPa	283.47	Calculated Property
Pvap	341.34	kPa	314.33	Calculated Property
Pvap	765.38	kPa	345.20	Calculated Property
Pvap	1479.02	kPa	376.07	Calculated Property
Pvap	2653.25	kPa	406.93	Calculated Property
Pvap	4647.74	kPa	437.80	Calculated Property

Similar Compounds

Find more compounds similar to Ethane, methoxy-.

Sources

• KDB Vapor Pressure Data
• Crippen Method
• Crippen Method
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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