Chemical Properties of Heneicosane, 11-cyclopentyl- (CAS 6703-81-7)

InChI

InChI=1S/C26H52/c1-3-5-7-9-11-13-15-17-21-25(26-23-19-20-24-26)22-18-16-14-12-10-8-6-4-2/h25-26H,3-24H2,1-2H3

InChI Key

LEQBWYDHNLNMED-UHFFFAOYSA-N

Formula

C26H52

SMILES

CCCCCCCCCCC(CCCCCCCCCC)C1CCCC1

Molecular Weight¹

364.69

CAS

6703-81-7

Other Names

• Cyclopentane, (1-decylundecyl)-
• 11-Cyclopentylheneicosane

• 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.
• 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	0.9351		Relay (1.0) Calculated Property
ΔfG°	202.15	kJ/mol	Joback Calculated Property
ΔfH°gas	-505.16	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	53.51	kJ/mol	Joback Calculated Property
ΔvapH°	120.76	kJ/mol	Relay (1.0) Calculated Property
IE	9.79	eV	Relay (1.0) Calculated Property
log10WS	-9.83		Relay (1.0) Calculated Property
logPoct/wat	9.854		Crippen Calculated Property
McVol	366.340	ml/mol	McGowan Calculated Property
Pc	804.33	kPa	Joback Calculated Property
Inp	2548.00		NIST
Tboil	639.20	K	Relay (1.0) Calculated Property
Tc	824.44	K	Relay (1.0) Calculated Property
Tfus	[260.45; 260.50]	K
Tfus	260.45 ± 0.50	K	NIST
Tfus	260.50 ± 1.50	K	NIST
Tfus	260.50 ± 1.50	K	NIST
Vc	1.395	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[523.50; 1344.53]	J/mol×K	[273.00; 1000.00]	Joback Predicted correlation
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K
Coefficient A			-8.29120e+01
Coefficient B			2.61144e+00
Coefficient C			-1.52120e-03
Coefficient D			3.37200e-07
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	523.50	J/mol×K	273.00	Calculated Property
Cp,gas	665.50	J/mol×K	353.78	Calculated Property
Cp,gas	792.31	J/mol×K	434.56	Calculated Property
Cp,gas	905.02	J/mol×K	515.33	Calculated Property
Cp,gas	1004.67	J/mol×K	596.11	Calculated Property
Cp,gas	1092.34	J/mol×K	676.89	Calculated Property
Cp,gas	1169.09	J/mol×K	757.67	Calculated Property
Cp,gas	1236.00	J/mol×K	838.44	Calculated Property
Cp,gas	1294.12	J/mol×K	919.22	Calculated Property
Cp,gas	1344.53	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0683256; 0.0001027]	Pa×s	[260.48; 695.35]	Joback Predicted correlation
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-1.30769e+01
Coefficient B			2.70732e+03
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Comment			Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc.
Temperature range, min.			260.48
Temperature range, max.			695.35
η	0.0683256	Pa×s	260.48	Calculated Property
η	0.0134371	Pa×s	308.80	Calculated Property
η	0.0041034	Pa×s	357.12	Calculated Property
η	0.0016626	Pa×s	405.44	Calculated Property
η	0.0008165	Pa×s	453.76	Calculated Property
η	0.0004598	Pa×s	502.07	Calculated Property
η	0.0002864	Pa×s	550.39	Calculated Property
η	0.0001926	Pa×s	598.71	Calculated Property
η	0.0001374	Pa×s	647.03	Calculated Property
η	0.0001027	Pa×s	695.35	Calculated Property

Similar Compounds

Find more compounds similar to Heneicosane, 11-cyclopentyl-.

Sources

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

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