Chemical Properties of vinyl alcohol (CAS 557-75-5)

InChI

InChI=1S/C2H4O/c1-2-3/h2-3H,1H2

InChI Key

IMROMDMJAWUWLK-UHFFFAOYSA-N

Formula

C2H4O

SMILES

C=CO

Molecular Weight¹

44.05

CAS

557-75-5

Other Names

• Ethenol

• 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_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (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).
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• 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
ΔfG°	-83.02	kJ/mol	Joback Calculated Property
ΔfH°gas	[-128.00; -111.00]	kJ/mol
ΔfH°gas	-128.00	kJ/mol	NIST
ΔfH°gas	-125.00 ± 8.40	kJ/mol	NIST
ΔfH°gas	-111.00 ± 8.40	kJ/mol	NIST
ΔfusH°	3.74	kJ/mol	Joback Calculated Property
ΔvapH°	36.05	kJ/mol	Joback Calculated Property
IE	[9.00; 9.52]	eV
IE	9.33 ± 0.01	eV	NIST
IE	9.17 ± 0.05	eV	NIST
IE	9.30 ± 0.05	eV	NIST
IE	9.30 ± 0.10	eV	NIST
IE	9.18	eV	NIST
IE	9.14	eV	NIST
IE	9.00 ± 0.15	eV	NIST
IE	9.52	eV	NIST
log10WS	-0.33		Crippen Calculated Property
logPoct/wat	0.688		Crippen Calculated Property
McVol	40.610	ml/mol	McGowan Calculated Property
Pc	6141.84	kPa	Joback Calculated Property
Tboil	334.02	K	Joback Calculated Property
Tc	499.14	K	Joback Calculated Property
Tfus	171.36	K	Joback Calculated Property
Vc	0.147	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[58.83; 77.58]	J/mol×K	[334.02; 499.14]
Cp,gas	58.83	J/mol×K	334.02	Joback Calculated Property
Cp,gas	62.30	J/mol×K	361.54	Joback Calculated Property
Cp,gas	65.63	J/mol×K	389.06	Joback Calculated Property
Cp,gas	68.81	J/mol×K	416.58	Joback Calculated Property
Cp,gas	71.86	J/mol×K	444.10	Joback Calculated Property
Cp,gas	74.79	J/mol×K	471.62	Joback Calculated Property
Cp,gas	77.58	J/mol×K	499.14	Joback Calculated Property
η	[0.0004063; 0.1846477]	Pa×s	[171.36; 334.02]
η	0.1846477	Pa×s	171.36	Joback Calculated Property
η	0.0331848	Pa×s	198.47	Joback Calculated Property
η	0.0090095	Pa×s	225.58	Joback Calculated Property
η	0.0032356	Pa×s	252.69	Joback Calculated Property
η	0.0014171	Pa×s	279.80	Joback Calculated Property
η	0.0007181	Pa×s	306.91	Joback Calculated Property
η	0.0004063	Pa×s	334.02	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.63]	kPa	[221.32; 297.47]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.83542e+01
Coefficient B			-3.57179e+03
Coefficient C			-2.36190e+01
Temperature range, min.			221.32
Temperature range, max.			297.47
Pvap	1.33	kPa	221.32	Calculated Property
Pvap	2.80	kPa	229.78	Calculated Property
Pvap	5.54	kPa	238.24	Calculated Property
Pvap	10.42	kPa	246.70	Calculated Property
Pvap	18.70	kPa	255.16	Calculated Property
Pvap	32.21	kPa	263.63	Calculated Property
Pvap	53.46	kPa	272.09	Calculated Property
Pvap	85.83	kPa	280.55	Calculated Property
Pvap	133.69	kPa	289.01	Calculated Property
Pvap	202.63	kPa	297.47	Calculated Property

Similar Compounds

Find more compounds similar to vinyl alcohol.

Sources

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

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