Chemical Properties of Octadecane, 2,6,10,14-tetramethyl- (CAS 54964-82-8)

InChI

InChI=1S/C22H46/c1-7-8-13-20(4)15-10-17-22(6)18-11-16-21(5)14-9-12-19(2)3/h19-22H,7-18H2,1-6H3

InChI Key

PUTSHCSOTBWQAI-UHFFFAOYSA-N

Formula

C22H46

SMILES

CCCCC(C)CCCC(C)CCCC(C)CCCC(C)C

Molecular Weight¹

310.60

CAS

54964-82-8

Other Names

• 2,6,10,14-Tetramethyloctadecane

• 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).
• 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.
• 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	0.7751		Relay (1.0) Calculated Property
ΔfG°	124.60	kJ/mol	Joback Calculated Property
ΔfH°gas	-576.30	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	38.64	kJ/mol	Joback Calculated Property
ΔvapH°	94.19	kJ/mol	Relay (1.0) Calculated Property
IE	9.53	eV	Relay (1.0) Calculated Property
log10WS	-8.91		Relay (1.0) Calculated Property
logPoct/wat	8.252		Crippen Calculated Property
McVol	320.840	ml/mol	McGowan Calculated Property
Pc	919.39	kPa	Joback Calculated Property
Inp	[1957.00; 1989.00]
Inp	1984.00		NIST
Inp	1959.00		NIST
Inp	1984.00		NIST
Inp	1989.00		NIST
Inp	1962.00		NIST
Inp	1962.00		NIST
Inp	1957.00		NIST
Inp	1959.00		NIST
Inp	1959.00		NIST
Inp	1960.00		NIST
Inp	1960.00		NIST
Inp	1970.00		NIST
Inp	1987.00		NIST
Inp	1960.00		NIST
Inp	1957.00		NIST
Inp	1984.00		NIST
Inp	1957.00		NIST
Tboil	591.16	K	Relay (1.0) Calculated Property
Tc	746.63	K	Relay (1.0) Calculated Property
Tfus	222.55	K	Relay (1.0) Calculated Property
Vc	1.224	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[963.48; 1084.62]	J/mol×K	[701.00; 870.08]
Cp,gas	963.48	J/mol×K	701.00	Joback Calculated Property
Cp,gas	986.10	J/mol×K	729.18	Joback Calculated Property
Cp,gas	1007.71	J/mol×K	757.36	Joback Calculated Property
Cp,gas	1028.34	J/mol×K	785.54	Joback Calculated Property
Cp,gas	1048.01	J/mol×K	813.72	Joback Calculated Property
Cp,gas	1066.76	J/mol×K	841.90	Joback Calculated Property
Cp,gas	1084.62	J/mol×K	870.08	Joback Calculated Property
η	[0.0000552; 0.0136332]	Pa×s	[277.70; 701.00]
η	0.0136332	Pa×s	277.70	Joback Calculated Property
η	0.0021479	Pa×s	348.25	Joback Calculated Property
η	0.0006307	Pa×s	418.80	Joback Calculated Property
η	0.0002637	Pa×s	489.35	Joback Calculated Property
η	0.0001373	Pa×s	559.90	Joback Calculated Property
η	0.0000828	Pa×s	630.45	Joback Calculated Property
η	0.0000552	Pa×s	701.00	Joback Calculated Property

Similar Compounds

Find more compounds similar to Octadecane, 2,6,10,14-tetramethyl-.

Sources

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

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