Chemical Properties of Eicosane, 2-methyl- (CAS 1560-84-5)

InChI

InChI=1S/C21H44/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21(2)3/h21H,4-20H2,1-3H3

InChI Key

MLKZKPUBHSWMNA-UHFFFAOYSA-N

Formula

C21H44

SMILES

CCCCCCCCCCCCCCCCCCC(C)C

Molecular Weight¹

296.57

CAS

1560-84-5

Other Names

• 2-Methyleicosane

• ω : Acentric Factor.
• 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).
• 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).
• 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
ω	0.8648		Relay (1.0) Calculated Property
ΔfG°	123.50	kJ/mol	Joback Calculated Property
ΔfH°gas	-493.72	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	46.62	kJ/mol	Joback Calculated Property
ΔvapH°	105.47	kJ/mol	Relay (1.0) Calculated Property
IE	9.92	eV	Relay (1.0) Calculated Property
log10WS	-8.89		Relay (1.0) Calculated Property
logPoct/wat	8.294		Crippen Calculated Property
McVol	306.750	ml/mol	McGowan Calculated Property
Pc	960.88	kPa	Joback Calculated Property
Inp	[2060.50; 2065.30]
Inp	2064.00		NIST
Inp	Outlier 2060.50		NIST
Inp	2063.10		NIST
Inp	2063.00		NIST
Inp	2062.80		NIST
Inp	2062.80		NIST
Inp	2064.00		NIST
Inp	2064.00		NIST
Inp	2065.30		NIST
Inp	2064.00		NIST
Inp	2064.00		NIST
I	[2061.70; 2061.70]
I	2061.70		NIST
I	2061.70		NIST
Tboil	584.52	K	Relay (1.0) Calculated Property
Tc	753.89	K	Relay (1.0) Calculated Property
Tfus	295.55	K	Relay (1.0) Calculated Property
Vc	1.231	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[901.24; 1017.57]	J/mol×K	[679.64; 842.91]
Cp,gas	901.24	J/mol×K	679.64	Joback Calculated Property
Cp,gas	922.82	J/mol×K	706.85	Joback Calculated Property
Cp,gas	943.48	J/mol×K	734.06	Joback Calculated Property
Cp,gas	963.26	J/mol×K	761.28	Joback Calculated Property
Cp,gas	982.18	J/mol×K	788.49	Joback Calculated Property
Cp,gas	1000.27	J/mol×K	815.70	Joback Calculated Property
Cp,gas	1017.57	J/mol×K	842.91	Joback Calculated Property
η	[0.0000794; 0.0045387]	Pa×s	[311.43; 679.64]
η	0.0045387	Pa×s	311.43	Joback Calculated Property
η	0.0013276	Pa×s	372.80	Joback Calculated Property
η	0.0005497	Pa×s	434.17	Joback Calculated Property
η	0.0002832	Pa×s	495.53	Joback Calculated Property
η	0.0001688	Pa×s	556.90	Joback Calculated Property
η	0.0001115	Pa×s	618.27	Joback Calculated Property
η	0.0000794	Pa×s	679.64	Joback Calculated Property
ΔvapH	70.30	kJ/mol	547.00	NIST

Similar Compounds

Find more compounds similar to Eicosane, 2-methyl-.

Sources

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

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