Chemical Properties of octapentacontane (CAS 7667-78-9)

InChI

InChI=1S/C58H118/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-37-39-41-43-45-47-49-51-53-55-57-58-56-54-52-50-48-46-44-42-40-38-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-58H2,1-2H3

InChI Key

HDKSWQPFGWHOIA-UHFFFAOYSA-N

Formula

C58H118

SMILES

CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

Molecular Weight¹

815.56

CAS

7667-78-9

• 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).
• 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).
• 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°	437.48	kJ/mol	Joback Calculated Property
ΔfH°gas	-1240.45	kJ/mol	Joback Calculated Property
ΔfusH°	145.98	kJ/mol	Joback Calculated Property
ΔvapH°	288.50 ± 1.80	kJ/mol	NIST
log10WS	-24.10		Crippen Calculated Property
logPoct/wat	22.872		Crippen Calculated Property
McVol	828.080	ml/mol	McGowan Calculated Property
Pc	217.16	kPa	Joback Calculated Property
Tboil	1526.44	K	Joback Calculated Property
Tc	3378.06	K	Joback Calculated Property
Tfus	[370.00; 373.00]	K
Tfus	370.00 ± 2.00	K	NIST
Tfus	373.00 ± 5.00	K	NIST
Vc	3.284	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[3485.44; 9017.01]	J/mol×K	[1526.44; 3378.06]
Cp,gas	3485.44	J/mol×K	1526.44	Joback Calculated Property
Cp,gas	3719.42	J/mol×K	1835.04	Joback Calculated Property
Cp,gas	4068.92	J/mol×K	2143.65	Joback Calculated Property
Cp,gas	4653.70	J/mol×K	2452.25	Joback Calculated Property
Cp,gas	5593.49	J/mol×K	2760.85	Joback Calculated Property
Cp,gas	7008.01	J/mol×K	3069.45	Joback Calculated Property
Cp,gas	9017.01	J/mol×K	3378.06	Joback Calculated Property
η	[0.0000002; 0.0000122]	Pa×s	[743.42; 1526.44]
η	0.0000122	Pa×s	743.42	Joback Calculated Property
η	0.0000038	Pa×s	873.92	Joback Calculated Property
η	0.0000016	Pa×s	1004.43	Joback Calculated Property
η	0.0000008	Pa×s	1134.93	Joback Calculated Property
η	0.0000005	Pa×s	1265.43	Joback Calculated Property
η	0.0000003	Pa×s	1395.94	Joback Calculated Property
η	0.0000002	Pa×s	1526.44	Joback Calculated Property
ΔvapH	[160.30; 288.50]	kJ/mol	[298.15; 759.00]
ΔvapH	288.50	kJ/mol	298.15	Hypothe...
ΔvapH	160.30	kJ/mol	759.00	NIST

Similar Compounds

Find more compounds similar to octapentacontane.

Sources

• Crippen Method
• Crippen Method
• Hypothetical Thermodynamic Properties: Vapor Pressures and Vaporization Enthalpies of the Even n-Alkanes from C40 to C76 at T = 298.15 K by Correlation-Gas Chromatography. Are the Vaporization Enthalpies a Linear Function of Carbon Number?
• Joback Method
• McGowan Method
• NIST Webbook

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.